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영어공부/영영풀이

s로 시작하는 명사 영영풀이

[s로 시작하는 명사 영영풀이]

 

sail

noun : a large piece of cloth connected to a ship or boat that catches the wind and helps move the vessel


sailboat

noun : a small watercraft that has one or more sails and is moved by the wind


salad

noun : a cold dish made of raw vegetables with dressing


sale

noun : the exchanging of money for a product or service; a price that is lower than normal


salt

noun : a white seasoning used to flavor food


sand

noun : tiny, loose grains worn away from rocks, shells, and other materials


sandwich

noun : two pieces of bread with some kind of food in between


Saturday

noun : the seventh day of the week


saw

noun : a cutting tool with a toothed blade


scales

noun : thin, flat plates that cover many fish and reptiles


school

noun : a place for teaching and learning


school bus

noun : a large vehicle that takes students to and from school


science

noun : the study of the world around us


scissors

noun : a tool for cutting that has two blades joined together in the middle


scooter

noun : a vehicle with two or three wheels that is pushed by the feet or a motor


scratch

noun : a mark on the skin caused by a sharp object


sea

noun : the salt water that covers most of the Earth's surface


seal

noun : a sea mammal with flippers that eats fish


season

noun : a part of the year that lasts three months (winter, spring, summer, or fall)


seat

noun : something to sit on


seat belt

noun : a strap in a car, airplane, or other vehicle that keeps a person safely in his or her seat


seed

noun : a small plant part that can grow into a new plant


sentence

noun : a group of words that express a complete thought, feeling, or idea


September

noun : the ninth month of the year


set

noun : the scenery for a play or movie


seven

noun : the number between six and eight; 7


seventeen

noun : the number between sixteen and eighteen; 17


shade

noun : a covering on the inside of a window to keep a room dark


shampoo

noun : soap for washing hair


shape

noun : a form or outline of something, such as a square or circle


shark

noun : a fish with a big fin on its back


sheep

noun : a medium-sized mammal with hooves and a thick, woolly coat


sheet

noun : a single piece of paper


shelf

noun : a flat piece of wood or other stiff material that is used for showing or storing things


shell

noun : the hard cover on the outside of some animals' bodies


shell

noun : the hard cover on the outside of an egg


ship

noun : a large boat used to carry people or goods


shirt

noun : a piece of clothing that covers the chest


shoes

noun : items that cover all or part of the feet, often worn over socks


shoot

noun : the beginning part of a plant that grows above ground; a new branch on a plant


shop

noun : a place where people buy things or take them to get fixed


shore

noun : the land along the edge of an ocean, sea, lake, or river


shorts

noun : pants that only go down to the knees


shot

noun : an injection of medicine into the body; a vaccine


shovel

noun : a tool with a handle and scoop used for digging


shower

noun : a place where a person stands under a spray of water to wash; the act of washing in this place


shower

noun : a small amount of rain, snow, or other water falling from the sky; many small things falling at the same time


side

noun : an outer surface or part of something


sight

noun : the sense that allows some living things to see


sign

noun : a notice shown in public using symbols or words


silver

noun : a shiny light gray color


sink

noun : a basin with water faucets and a drain


sir

noun : a polite way to show respect when addressing a man


sister

noun : a girl or woman who has the same parents as another person


six

noun : the number between five and seven; 6


sixteen

noun : the number between fifteen and seventeen; 16


size

noun : how big or small something is


skateboard

noun : a short board with wheels on the bottom


skates

noun : special shoes with wheels or metal blades on the bottom


skill

noun : the ability to do something because of training or practice


skin

noun : the outer layer of tissue on a human or other animal's body


skirt

noun : a piece of clothing for girls and women that wraps around the hips and hangs down


skis

noun : long, hard, flexible strips of a material fastened to boots for gliding over snow or water


skunk

noun : a mammal with black-and-white fur that can spray a smelly liquid


sky

noun : the area high above the ground where stars and clouds appear


sled

noun : a vehicle for traveling on snow or ice


sleep

noun : a period of unconsciousness when the body rests


slice

noun : a thin, flat piece of food that has been cut from something larger


slide

noun : a tilted or sloped structure that people slide down


slope

noun : an upward or downward slant


smell

noun : an odor or scent; the sense that allows some living things to notice odors and scents


smile

noun : a happy look in which the mouth curves up on both sides


smoke

noun : a cloud of dust and gases in the air, usually caused by burning something


snack

noun : a small portion of food that is eaten between meals


snail

noun : a small animal with no backbone that has a shell in the shape of a spiral


snake

noun : a reptile with a long body and no legs


snow

noun : frozen water that falls from clouds as flakes


snowman

noun : packed snow made to look like a person


soap

noun : something used for washing


soccer

noun : a game played between two teams where a ball is kicked toward a goal


socks

noun : clothing worn on the feet and ankles, inside of shoes


soda pop

noun : a bubbly liquid that people drink


soil

noun : the top layer of the ground in which plants grow; dirt


son

noun : a male child


song

noun : a piece of music for singing


sound

noun : a vibration, or noise, sensed by the ears


sound

noun : energy that lets you hear


soup

noun : liquid food made from cooking vegetables, meat, or other food items in water or milk


south

noun : the direction to the right of one facing east; the opposite of north


sow

noun : a female pig


spider

noun : an animal with eight legs that can spin a web


splash

noun : the sound of something falling into liquid; a small amount of a liquid that falls


spoon

noun : a tool that has a little bowl at one end and is used for eating food


sport

noun : a game or contest that requires skill and usually physical exercise


spots

noun : rounded marks that are a different color from the surface around them


spring

noun : the season between winter and summer when temperatures get warmer and days get longer


square

noun : a shape with four equal sides and four right angles


stage

noun : a platform used for plays and other performances


stairs

noun : a set of steps that go to another floor in a building


stamp

noun : a small piece of paper stuck to an envelope or package to show that postage has been paid


star

noun : a shape with five or more points that is meant to look like a star in the night sky


star

noun : an object in outer space, made of hot gases, that can be seen in the night sky


starfish

noun : an animal that lives in the ocean and is shaped like a star


stem

noun : the main stalk or trunk of a plant that holds it up and takes water to its leaves


step

noun : a stage in a set of directions


step

noun : a flat surface that one uses to reach a higher or lower place


stick

noun : a thin piece of wood from a tree


stone

noun : a piece of rock, often used for building or another special purpose


stool

noun : a seat that has no back or arms


store

noun : a place where people buy things


storm

noun : very bad weather with strong winds, rain, snow, or thunder


story

noun : a telling of events that can be true or made up


stove

noun : a large device in a kitchen for cooking


stream

noun : a flow of water that is smaller than a river


street

noun : a road in a town or city


string

noun : a thin cord, often used to tie things


stripes

noun : different colors of lines next to each other


student

noun : a person who studies at a school, college, or university


stuff

noun : things


subway

noun : an electric, underground railroad


sugar

noun : a food sweetener in the form of crystals or a white powder


suitcase

noun : a boxlike container with a handle, used to carry clothes on trips


sum

noun : the result of adding two or more numbers together


summer

noun : the season between spring and fall that is the warmest season of the year


Sun

noun : the closest star to Earth and the center of our solar system


Sunday

noun : the first day of the week


sunflower

noun : a flower with bright yellow petals and a dark center that grows on a tall stem


sunlight

noun : light energy from the Sun


sunrise

noun : the time in the morning when the Sun comes up in the east


sunset

noun : the time in the evening when the Sun goes down in the west


sunshine

noun : light from the Sun


surprise

noun : something not expected or planned for


swan

noun : a large bird with a long neck that lives near water


sweater

noun : a piece of clothing made of yarn that is worn on the upper body


sweets

noun : foods that have lots of sugar


swimsuit

noun : a piece of clothing made for swimming


swing

noun : a seat that hangs from ropes or chains and moves back and forth


sword

noun : a weapon with a long metal blade with a sharp, pointed edge


symbol

noun : an object, picture, or sign that stands for something else

 

s'mores

noun : a dessert food made of a layer of chocolate and a roasted marshmallow sandwiched between two graham crackers


Sabbath

noun : a day of the week when people of various religions rest and worship


saber-toothed tiger

noun : an extinct large cat with huge fangs


sabotage

noun : the intentional destruction of or interference with something in order to make it stop working


Sacagawea

noun : member of the Lewis and Clark Expedition (1788?-1812)


Sacramento

noun : the capital of California


sacrifice

noun : an offering to a deity of something valuable, such as an animal, especially when killed on an altar


sacrifice

noun : an action or object unselfishly given to help other people or a cause


saddle

noun : a seat for a rider on a horse or other animal


sadness

noun : sorrow; unhappiness


safari

noun : a journey to search for animals in the wild


safe

noun : a strong box with a lock used to keep valuable things, such as money or jewelry


safety

noun : the state of being protected from injury or harm


safety plan

noun : a plan of action that helps keep people safe and calm during an emergency, such as an earthquake


sagebrush

noun : a woody shrub with silvery leaves found in the dry western United States


sailing

noun : a competitive sport in which people race sail boats using the wind as a power source


sailor

noun : a person who works on a ship or boat; a person who operates a ship or boat for fun or sport


saint

noun : a person who has been formally recognized for having lived a holy, devout, or virtuous life


sake

noun : purpose or reason


salamander

noun : a kind of amphibian that has smooth, wet skin, a long tail, and short legs


salami

noun : a kind of sausage that is highly seasoned and usually eaten cold and sliced


salary

noun : a fixed amount of money received for work, usually calculated per year


Salem

noun : a port city in northeastern Massachusetts, famous for witchcraft trials in the late 1600s


salesperson

noun : someone who sells for a living


saliva

noun : a liquid in the mouth that mixes with food to help begin digestion; spit


Sally Ride

noun : first American woman in space (1951-2012)


salmon

noun : a kind of fish that lives most of its adult life in the ocean


salon

noun : a place where people go to get beauty treatments


salsa

noun : the Spanish word for "sauce"; an uncooked Mexican sauce made with tomatoes and onions


Salt Lake City

noun : the capital of Utah


salt water

noun : water that contains salt, found in oceans and sometimes lakes


salute

noun : in fireworks, a single bright flash and loud bang


salvager

noun : a person who recovers parts of a ship after a shipwreck


salvation

noun : relief or preservation from harm, loss, or ruin


samba

noun : a rhythmic, Brazilian dance of African origin; the music for such a dance


sample

noun : a limited set used to represent an entire group or population


samurai

noun : a powerful class of warriors that lived in feudal Japan; one of these warriors


San Diego

noun : a large city in southern California


San Francisco

noun : a city on the coast of California that is located on a peninsula


sanctuary

noun : a safe place; the protection given by such a place


sand castle

noun : a small sculpture of a castle or other building made of wet sand


sand spit

noun : a point of sand built up into a landform that projects into a body of water


sandals

noun : lightweight shoes, usually with straps and open toes


sandbar

noun : a long ridge of sand formed in a shallow body of water by currents and tides


sandpaper

noun : paper that has sand or another scratchy material stuck to one side


Sandra Day O'Connor

noun : first female associate justice of the U.S. Supreme Court (1930-present)


sanitation engineer

noun : a person who collects trash from homes and businesses and transports it to a landfill or incinerator


sap

noun : the fluid that carries food through a plant


sapling

noun : a young tree with a slender trunk


sarcasm

noun : remarks that mean the opposite of what they seem to mean and are intended to make fun of or tease


sash

noun : a long loop or strip of fabric worn around the waist or over one shoulder


Saskatchewan

noun : a prairie province in central Canada


satellite

noun : a natural or human-made object that orbits Earth or another object in space


satin

noun : a smooth fabric that is glossy on one side and dull on the other


satisfaction

noun : the state of being pleased or content


saturation

noun : the point at which no more of a liquid, solid, or gas can be absorbed by a solution at a given temperature


Saturn

noun : a planet with large rings around it that is sixth from the Sun; a gas giant


sauce

noun : a flavorful, thick liquid served with or on top of food


saucer

noun : a small plate designed to go under a cup


Saudi Arabia

noun : a country in southwestern Asia on the Arabian Peninsula


sauerkraut

noun : chopped, pickled cabbage


sauna

noun : a room designed for steam bathing


sausage

noun : a short tube of chopped pork, beef, or other meat wrapped in a skin and cooked before eating


save

noun : a play that prevents someone from scoring a goal


savings

noun : money kept or stored for future use


savings account

noun : an arrangement, usually with a bank, in which a person deposits money that often earns interest before being withdrawn


sawmill

noun : a place where logs are cut into boards


saxophone

noun : a metal woodwind instrument that is often used to play jazz


scab

noun : a dry, rough crust that forms over a wound while it is healing


scaffold

noun : a temporary platform, often raised by poles, to support workers during building, repairing, or decorating a structure


scale

noun : an instrument for weighing


scale

noun : the size of one thing compared to the size of another; on a map, how big the area is compared to the map


scale

noun : a series of musical notes that go up and down in tone in a regular pattern


scalp

noun : the skin that covers the head except for the face


scamp

noun : a mischievous person


scan

noun : to move an object across an electromagnetic beam in order to pick up information about it


scandal

noun : behaviors, actions, or events that are seen as shocking or bad and that damage the reputations of those involved


scanner

noun : an electronic device that converts visual information into digital information


scar

noun : a mark left on your skin after injured tissue has healed


scarcity

noun : an economic condition that exists when demand is greater than supply


scarecrow

noun : an object placed in a field to scare birds away from crops


scarf

noun : a piece of fabric worn around the head or neck


scarlet

noun : bright red


scat

noun : a style of singing that uses sounds and syllables to imitate the sound of an instrument


scat

noun : solid waste passed out of the body of an animal


scavenger

noun : an animal that finds and eats scraps of garbage or animals that are already dead


scavenger hunt

noun : a game where players search for and collect certain items, often within a time limit


scenario

noun : a possible situation or sequence of events


scene

noun : a sequence of continuous action in a play or movie


scenery

noun : the painted walls or objects on the set of a play or movie


scenery

noun : the natural features of a landscape


scent

noun : a smell, especially a pleasant one


scepter

noun : a decorated rod held by a ruler as a symbol of power


schedule

noun : a plan that tells when and where an event or events will take place


scheme

noun : a plan of action


scholar

noun : an educated person


scholarship

noun : financial aid given to a student to help pay for his or her education


scholarship

noun : academic achievement or study


school

noun : a large group of fish


school supplies

noun : items used at school such as paper, pencils, and glue


schoolhouse

noun : a building where students learn from teachers


schooner

noun : a ship that has two or more masts


science fiction

noun : fiction having to do with actual or imagined scientific events, usually taking place in the future


scientific name

noun : the formal name that scientists use for a living thing, composed of its Latin names


scientist

noun : a person who studies one or more fields of science


scolding

noun : getting yelled at as a punishment


scoop

noun : an exclusive story


scope

noun : the range or extent something


score

noun : the number of points, runs, goals, or other units earned in a game


scoreboard

noun : a large sign at a sporting event on which the score is displayed


scorekeeper

noun : a person who keeps track of the score during a game


Scotland

noun : a European country in the northern part of the island of Great Britain and a division of the United Kingdom


scoundrel

noun : a wicked person


scout

noun : a soldier or other person who explores a new area and passes along information about it to others


scowl

noun : a facial expression that shows anger or disapproval


scrap

noun : waste material, especially metal, that is not needed or that is left over from a project


scrapbook

noun : a book or album with blank pages for saving pictures, drawings, souvenirs, and other items


screech

noun : a loud and very high-pitched cry or sound


screen

noun : the part of a computer or TV where information and pictures are shown; a large blank surface on which images can be projected, such as at a movie theater


screw

noun : an inclined plane wrapped around a rod, often used to hold things together; a type of simple machine


screwdriver

noun : a flat or plus-shaped tip attached to a handle that fixes a screw into place when twisted


scribble

noun : a picture or piece of writing that has been drawn or written quickly or carelessly


scribe

noun : a person who copies handwritten texts or records information in writing; a writer


script

noun : the written text of a play, movie, or television show


scripture

noun : the sacred writings of a religion


scriptwriter

noun : a person who writes scripts for movies or television


scrubber

noun : a brush or other object used for cleaning


sculptor

noun : an artist who shapes wood, clay, stone, metal, or other material


sculpture

noun : a three-dimensional work of art made of flexible or hard materials


scum

noun : a layer of impurities that collects on top of a liquid or that is left behind when a liquid drains away


sea cow

noun : another name for a manatee or a dugong (a close relative of a manatee)


sea cucumber

noun : an echinoderm with a thick, sausage-shaped body and many tube feet


sea level

noun : the level of the surface of the sea, used in measuring altitude and depth


sea lion

noun : a mammal with long front flippers that lives along coasts


sea siren

noun : a beautiful, make-believe creature that is half woman and half fish; a mermaid


sea snake

noun : a venomous snake that lives in tropical waters in the Indian and Pacific oceans


sea turtle

noun : a large reptile with a shell and flippers that lives in the ocean


sea urchin

noun : a spine-covered marine invertebrate in the same animal group as sea stars


seafood

noun : any food prepared from saltwater fish or shellfish


seam

noun : the line where two pieces of cloth are sewn together


seamstress

noun : a woman who sews as a profession


search and rescue

noun : teams who find and help people who are lost or trapped


season

noun : a certain time of year when something usually happens, such as a sport being played or a type of weather taking place


seasoning

noun : a flavorful ingredient added to food, such as salt, pepper, herbs, or spices


Seattle

noun : a large city in western Washington State


seaweed

noun : large algae that grow in the ocean


second

noun : a period of time that is one of the 60 divisions in a minute


second hand

noun : a hand on some clocks and watches that shows the seconds


secondary color

noun : a color made by mixing two or more primary colors


secret

noun : a thing that is kept hidden from others


secretary

noun : a person who takes care of the details for a business or school


section

noun : a part of something


security

noun : people who provide protection and control rule-breaking or violence


security checkpoint

noun : the place at an airport where passengers are screened to be sure they are not a danger to others


security guard

noun : a person whose job is to protect something or take care of safety concerns


sediment

noun : particles of dirt and rock that are carried by water, wind, or ice and deposited elsewhere


seed coat

noun : the protective outer covering of a seed


seedling

noun : a young, developing plant that has grown from a seed


seeker

noun : a person or thing that tries to find something


seesaw

noun : a plank that is balanced in the middle so the ends moves up or down; the act of riding on this plank


segment

noun : a part of something


segregation

noun : a policy of separating groups of people from one another, often on the basis of race


seismology

noun : the scientific study of earthquakes and the Earth's interior


seizure

noun : sudden physical symptoms caused by disturbed brain signals


self

noun : a person's identity, character, or most important qualities


self-confidence

noun : a belief in yourself and your abilities


self-discipline

noun : the ability to control one's impulses and follow through on commitments


self-esteem

noun : a feeling of respect for oneself and confidence in one’s abilities


self-reliance

noun : the ability to take care of one's self


semester

noun : a period of study in school or college equal to half of a school year


semicolon

noun : a punctuation mark (;) used to show a pause that is shorter than a period but longer than a comma


Senate

noun : the smaller body of Congress, the branch of the U.S. government that makes laws; a similar body at the state level


senator

noun : a member of a senate


senior

noun : a fourth-year student in high school, college, or a university


señor

noun : the Spanish word for "sir" or "Mr."


sensation

noun : a state of great excitement; someone or something that causes great excitement


sensation

noun : a physical feeling caused by something that happens to or comes in contact with the body


sense

noun : reason; purpose


sense

noun : a way of understanding the world through sight, touch, taste, smell, or hearing


sense of direction

noun : an awareness of orientation in relationship to the cardinal directions of north, south, east, and west


senses

noun : functions of the body that help living things understand the world through sight, sound, smell, touch, and taste


sensor

noun : a device that senses and reacts to a signal or a change in conditions


sensor

noun : a bodily structure that senses and reacts to a signal or change in conditions


sentinel

noun : someone who keeps watch or guards something


separation

noun : the process of keeping things apart


separation of powers

noun : the giving of different types of authority to different branches of government


September 11 (9/11)

noun : a series of planned terrorist attacks against the United States by Islamic extremists in 2001


sequence

noun : a group of things that are in a certain order; the order in which things happen


sequin

noun : a small, flat, shiny bead that is sewn onto clothing for decoration


serape

noun : the Spanish word for a blanket worn as a shawl


sergeant

noun : a military rank that is above corporal but below lieutenant; the highest noncommissioned officer rank


series

noun : a number of similar things, people, or events that follow one another


sermon

noun : a speech given by a religious leader at a religious service at a house of worship


serum

noun : special medicine given in a shot


service

noun : work done for an organization or government, especially in a branch of a country’s military


service dog

noun : a type of assistance dog that is trained to help disabled people


services

noun : jobs that people do for other people, usually in return for pay


serving

noun : an amount of food served to one person


session

noun : a period of time for a certain activity


set

noun : a collection or group of objects, numbers, or other items


setting

noun : the time and place in which the action in a book, play, movie, or other story takes place


settlement

noun : a new place where people live


settler

noun : a person who makes a new permanent home on a frontier


seventy

noun : the number between sixty-nine and seventy-one; 70


sewer

noun : one or more pipes, usually underground, that drain away water or waste


sex

noun : one of two categories into which living things can be grouped by their reproductive functions


shack

noun : a roughly built small house or cabin


shackles

noun : a pair of metal loops, usually connected with a chain, that hold together the wrists or ankles of a prisoner or slave


shade

noun : darkness created by shelter from the Sun's direct light


shading

noun : an area of a darker tone that creates darkness or shadow in a drawing or picture


shadow

noun : a dark area formed when an object blocks light


shaft

noun : the straight wooden part of an arrow


shaker

noun : a container that is quickly moved back and forth to mix something or to make something come out


shamash

noun : the candle in a menorah used to light the other candles


shame

noun : a strong feeling of regret, sadness, or guilt caused by knowing or believing one has done something wrong


shamrock

noun : a plant often used as a symbol for Ireland


shank

noun : the straight, narrow part of an object


share

noun : a part of something that is set aside for each of several people; any of the equal parts into which ownership of a company is divided


sharecropper

noun : a farmer who works on someone else’s land in return for part of the profit from the crops


sharp

noun : a musical note one half step above another


shawl

noun : a piece of fabric worn by a woman around the shoulders or head


sheaf

noun : a bundle of cut stalks of grain bound with straw; a bundle of things fastened together


sheath

noun : a case for the blade of a knife or sword


shed

noun : a small structure used for storage


shed

noun : the space between warp threads where the weft is passed through


sheet music

noun : an unbound piece of handwritten or printed music


shell

noun : a case, especially one that holds some type of explosive


shellfish

noun : animals that have shells and live in the water


shelter

noun : a structure or other place that gives protection from bad weather or danger


shelter

noun : a place that provides food and protection for people or animals that need help


shelves

noun : flat pieces of wood, plastic, or other material used to place things on


shepherd

noun : a person who raises and cares for sheep


sherbet

noun : a frozen dessert made of fruit juice, sugar, and often milk or gelatin


sheriff

noun : the main law-enforcement officer in a county


shield

noun : the hard, protective covering of some animals


shift

noun : a scheduled period of time when a person or group of people work together; the workers on a job during a period of time


shilling

noun : a coin that was once used in the United Kingdom


shin

noun : the front portion of the leg between the knee and the ankle


shingles

noun : rectangular tiles used on roofs or outside walls of houses


Shinto

noun : a traditional religion of Japan in which people worship various gods of nature


shipment

noun : goods that are shipped; the process of shipping goods


shipwreck

noun : a sunken or destroyed ship


shoal

noun : high ground under water that is dangerous to boats


shock

noun : a sharp jolt experienced when electrical current touches or travels through a person's body


shock

noun : a medical condition that may result from severe injury


shogun

noun : a military ruler in ancient Japan


shopper

noun : a person who goes to stores or websites looking for things to buy


shopping

noun : the activity of visiting shops to look at and buy things


shoreline

noun : the line where an ocean or other large body of water meets land


shortage

noun : a lack of something necessary


shortening

noun : any kind of solid fat used in baking


shorthand

noun : a method of writing quickly by using symbols and abbreviation


Shoshone

noun : a member of a group of Native Americans in the Northwest; the language of these people


shoulder

noun : the part of the human body where the arm joins the body


show

noun : an event that is meant to educate or entertain people


showdown

noun : a final test or conflict to settle a disagreement


shower curtain

noun : a piece of plastic or cloth that hangs at one side of a bathtub and keeps water from splashing out


shred

noun : a very small amount of something; a strip or small piece of fabric or paper


shrimp

noun : a small shellfish that has a long body and ten legs


shrine

noun : a container or small space where a religious object is kept; places that are considered special or holy as tributes to a person or a god


shrub

noun : a low woody plant, usually one with several main stems


shutout

noun : a game in which one side never scores


shutter

noun : the part in a camera that, when triggered, briefly allows light to enter the lens


shuttle

noun : a type of transportation that goes back and forth between two places on a regular schedule


shuttle bus

noun : a type of ground transportation that travels between certain places on a regular route


sibling

noun : a brother or sister


side effect

noun : a usually harmful effect of a drug or medical treatment that is beyond the desired effect


sideburns

noun : the strips of hair in front of a man's ears, especially when the chin area is shaved


sidecar

noun : a small vehicle attached to a motorcycle in which a passenger can ride


sidekick

noun : an assistant, friend, or close associate, especially one who has less responsibility


sideline

noun : either of two lines marking the side limits of a playing field


sidewalk

noun : a paved walkway for pedestrians along the side of a road


siege

noun : the act of surrounding and often attacking an enemy for a long time while preventing them from getting food and other supplies


sierra

noun : a range of mountains with sharply pointed peaks


siesta

noun : the Spanish word for an afternoon nap


sieve

noun : a bowl-shaped screen held in a round frame that is used to separate solids from liquids


sight

noun : a thing that can be seen


sighting

noun : an act of seeing something briefly, especially something unusual


sign language

noun : a system of hand, face, and body movements used to communicate


signal

noun : an action, sound, or object used to send a message


signature

noun : a person's name signed by that person


signing

noun : using sign language


signmaker

noun : a person or a computer program that creates signs


silence

noun : an absence of sound


silk

noun : strong threads made by a spider or silkworm


silk

noun : a type of fabric made from the threads of a silkworm


silkworm

noun : the caterpillar of the silkworm moth, bred to produce silk fiber


sill

noun : a horizontal bar, beam, or stone at the base of a window or doorway


silt

noun : fine-grained soil materials that are carried by running water and deposited


silver

noun : a grayish-white metal often used for jewelry, coins, and eating utensils


silverware

noun : utensils for eating and serving food


similarity

noun : a quality that makes someone or something alike


simple machine

noun : any basic device that works with the use of a single force


simple sentence

noun : a short sentence with only one subject and one verb


simpleton

noun : a stupid person


sin

noun : an act considered to be wrong by divine law or moral standards


sinew

noun : a tendon or ligament of a mammal; used traditionally as sewing thread


Singapore

noun : a country in Southeast Asia made up of an island at the end of the Malay Peninsula and more than 50 smaller islands


singer

noun : a person who sings


singular noun

noun : the form of a word indicating only one person, place, or thing


sinkhole

noun : a hole in the ground or land depression that results from underground collapse, usually caused by water erosion


siren

noun : a device used to make loud, shrill warning sounds


sisal

noun : a plant grown for its leaves, which produce strong fibers used in making ropes


sissy

noun : a person who is fearful or cowardly


sit-in

noun : a form of peaceful protest that involves people sitting in a place and refusing to move


site

noun : the piece of land where something is located; the location where something is found or took place


situation

noun : the way things are at a certain time


sixty

noun : the number between fifty-nine and sixty-one; 60


skating

noun : the activity of gliding on a surface wearing ice skates or roller skates, as a sport or a form of recreation


skeleton

noun : the framework of bones and cartilage that supports and protects the body of a human or other vertebrate


skeptic

noun : a person who often doubts or questions things


sketch

noun : a quick, rough drawing


ski jumping

noun : the sport of skiing down a ramp and flying as far as possible before landing on a snow-covered slope


skiing

noun : the activity of gliding over the surface of snow or water wearing skis, as a sport or a way to travel


skillet

noun : a frying pan


skimmer

noun : a ship that skims oil from spills that is on the surface of the water


skin graft

noun : the transfer of a skin patch from one body part to another


skipper

noun : the captain of a boat or ship


skit

noun : a short play that is usually funny


skull

noun : the main bone structure of the head


skydiving

noun : a sport in which a person jumps out of an aircraft in flight and uses a parachute to descend to the ground


skyline

noun : the outline that city buildings make against the sky


skyscraper

noun : a very tall building


slab

noun : a large, thick, flat piece or slice of something


slack

noun : the part of something that hangs loosely


slacks

noun : casual pants


slalom

noun : a downhill ski race in which competitors race on a winding course marked by upright obstacles, such as flags


slang

noun : informal language


slant

noun : a line or direction that is not level


slate

noun : a guide used with a stylus to make sure each raised dot in Braille is properly spaced


slate

noun : a type of metamorphic rock that splits into thin, smooth sheets


slats

noun : narrow strips of wood, metal, or plastic


slaughter

noun : the killing of animals for food; the killing of many people or other animals in a violent or cruel way


slave

noun : a person who is legally owned and controlled by another person


slave rebellion

noun : an uprising during Civil War times that occurred when slaves banded together to escape or fight their masters or law enforcement


slave state

noun : a state that allowed slavery before and during the Civil War


slave trade

noun : the buying, selling, and transport of slaves around the world, including the capture and transport of slaves from Africa to the Americas


slavery

noun : the state or condition of being a slave, or the property of another person


sleeping bag

noun : a warm, padded bag for sleeping in when camping


sleet

noun : partly frozen rain


sleeve

noun : a tube-shaped part of a piece of clothing that partly or completely covers an arm


sleigh

noun : a sled for carrying passengers over snow or ice that is pulled by horses or reindeer


slime

noun : a substance that is soft, moist, and slippery


sling

noun : a flexible strip used to support things such as babies, injured animals, or body parts


sling

noun : a flexible strip of material used to throw something


slingshot

noun : a forked stick with rubber strips attached to it that is used to shoot small stones


slippers

noun : comfortable shoes that people wear indoors


slit

noun : a long, straight cut or opening in something


sliver

noun : a thin piece of something


slob

noun : a person who is messy or dirty, often out of laziness


slogan

noun : a catchy phrase used to promote a product, a service, or a political movement


slot

noun : a long, narrow slit in a machine where something can be inserted


sloth

noun : a slow-moving mammal of Central and South America that lives in trees


slough

noun : a hollow or low-lying area, usually filled with mud or standing water


slowpoke

noun : a person who is slow to move or take action


sludge

noun : a muddy, semi-solid material left over from many industrial processes


slug

noun : a small animal that looks a snail without a shell


sluice

noun : an artificial passage for water that often has a valve or gate to control the flow


slum

noun : a poor, crowded area of a city


slumber

noun : sleep


slush

noun : partly melted snow or ice


smack

noun : a group of jellyfish


small intestine

noun : the thin, coiled part of the digestive system in which nutrients are removed from food and released into the bloodstream


smartphone

noun : a mobile phone with computer features and Internet access


smith

noun : a person who works with metals


smog

noun : a mixture of pollutants in the air that includes smoke and fog or haze


smokestack

noun : a tall chimney through which smoke and combustion gases leave a factory, locomotive, or ship


smoking

noun : the act of inhaling and exhaling the smoke of tobacco or another substance


snag

noun : a dead tree; something that sticks out or creates an obstacle


Snake River

noun : a river that flows westward through the states of Wyoming, Idaho, and Washington before joining the Columbia River


snapdragon

noun : a flower resembling an open mouth that closes when the sides are squeezed


snapper

noun : a food fish that lives in warm oceans


snapshot

noun : an informal photo, usually taken with a small camera


snare

noun : a trap used to catch an animal, usually having a cord that slips around the animal's neck


snarl

noun : a tangled knot of hair or thread


sneakers

noun : soft shoes with rubber soles worn when playing sports or for casual events


snob

noun : a person who acts as if he or she is better than others


snorkel

noun : a short tube held in the mouth that is used to breathe underwater


snout

noun : the nose and mouth of an animal, especially one that sticks out


snow leopard

noun : a fairly large, light-colored, spotted cat that lives in the mountains of central Asia


snowboard

noun : a thin board ridden down snow-covered slopes


snowboarding

noun : the sport of using a board similar to a short, wide ski to slide downhill on snow


snowdrift

noun : a large amount of snow that collects in one place because of wind


snowflake

noun : a group of ice crystals that falls from a cloud


snowmobile

noun : a vehicle used for traveling on snow


snowshoe hare

noun : a North American hare that has large hind feet and a white winter coat


snowshoeing

noun : the activity of traveling while wearing snowshoes


snowshoes

noun : flat devices that attach to boots so people can walk on top of deep snow


soccer ball

noun : a round object slightly smaller than a basketball that is filled with air and used to play soccer


social studies

noun : the study of human society


socialite

noun : a person of social importance who spends a lot of time and money entertaining or being entertained


society

noun : a select group of rich, stylish, or influential people


society

noun : an organized community of people who share laws, institutions, and traditions


socket

noun : the hole that receives a plug or lightbulb


sod

noun : the top layer of soil, including the roots of grass


sodium

noun : a soft metal found in salt


sofa

noun : a long fabric-covered seat that has a back and arms


soft cover

noun : a lightweight paper cover of a book


soft sculpture

noun : a sculpture made with fabric or other soft materials


softball

noun : a game like baseball that is played using a larger ball; also the ball itself


software

noun : computer programs


soldier

noun : a person who serves in the armed forces of a country


sole

noun : the bottom part of a foot or shoe


solid

noun : matter that keeps its shape and size


solitary confinement

noun : imprisonment with no interaction with other people allowed


solo

noun : a piece of music that is sung or played by one person


solstice

noun : either of the two times of the year when the Sun is farthest from the equator


solution

noun : the correct answer to a question, problem, or puzzle; something that solves a problem or difficulty


solution

noun : a mixture in which the atoms of a solid separate and become invisible in a liquid


sombrero

noun : a large hat with a broad brim worn by ranchers in Mexico and in the American Southwest


somersault

noun : an acrobatic move that involves rolling the body all the way around with knees bent, either on the ground or in the air


sonar

noun : a system that sends high-frequency sound waves through water and registers the vibrations bounced back by an object


sonic boom

noun : an loud, explosive sound made by something traveling faster than sound


sonogram

noun : a method of using high-frequency sound waves to form images of the inside of the human body


sooner

noun : a person who settled on unclaimed land of the American West before it was legal to do so


sooth

noun : an old form of "truth"


sophomore

noun : a second-year student in high school, college, or a university


soprano

noun : the highest kind of singing voice of women, girls, or young boys; a singer with this kind of voice


sorbent

noun : a material like a big sponge that is used to absorb oil


sorcery

noun : magic


sore

noun : a raw, painful, or infected place on the skin


sorority

noun : a social club for female students at a college or university


sorrow

noun : extreme sadness


soul

noun : the spiritual, nonphysical part of a person; a person's essence or core self


sound

noun : a passageway connecting two larger bodies of water or separating a mainland and an island


sound barrier

noun : the large increase in air resistance encountered by aircraft flying at the speed of sound


sound wave

noun : the movement of sound energy through air, liquid, or a solid


source

noun : the person, place, or thing from which something comes


South

noun : the southeastern part of the United States, especially states that formed part of the Confederacy during the Civil War


South America

noun : a continent located on the southern half of the American landmass


South Carolina

noun : a U.S. state in the Southeast between North Carolina and Georgia (capital: Columbia)


South Dakota

noun : a U.S. state in the north-central region, just north of Nebraska (capital: Pierre)


south pole

noun : the end of a magnet where lines of force flow in


South Pole

noun : the point farthest south on the Earth along its axis


southeast

noun : an intermediate direction or point on the compass midway between south and east


southwest

noun : an intermediate direction or point on the compass midway between south and west


souvenir

noun : a thing that serves as a reminder of something, such a trip or an event


soybean

noun : a plant in the pea family that is widely grown for its seeds


spa

noun : a place where people go to improve their health and appearance through exercise and relaxation


space

noun : the area beyond Earth's atmosphere in which there are stars and planets


space flight

noun : travel and exploration in outer space


space shuttle

noun : a spacecraft that can be used repeatedly


space station

noun : a spacecraft in which people can live for a long time, used for scientific experiments and research


space travel

noun : a journey by people into space


spacecraft

noun : a vehicle used for traveling in space


spaceship

noun : a vehicle used for traveling in space


spaghetti

noun : long stringlike pasta, often eaten with a tomato-based sauce


Spain

noun : a country in southwestern Europe located next to Portugal


spam

noun : junk mail that is delivered electronically


spangle

noun : a small piece of sparkling material used as decoration on an item of clothing


Spaniards

noun : people from Spain


spaniel

noun : a category of small to medium-sized dogs with long coats and long, furry ears


Spanish

noun : the study of the Spanish language and the people and cultures that speak it


spark

noun : a fiery piece of matter


sparrow

noun : a small songbird, usually with gray and brown feathers


spat

noun : a quarrel about unimportant things


spatula

noun : a long-handled kitchen tool with a wide, flat surface that is used to mix, spread, or lift things


spawning

noun : the process of producing and depositing eggs


spear

noun : a weapon with a long shaft and a sharp tip that may be thrown or thrust


spearmint

noun : a common garden herb that has small purplish flowers


Special Delivery

noun : an extra service for urgent mail


special effect

noun : an illusion created for a movie or television show using computers, cameras, or props


specialty

noun : something that a person or a group of people make or do very well


species

noun : a group of living things that are physically similar and can reproduce


specimen

noun : an example of something used for comparison, study, or display


speck

noun : a very small spot or particle of something


spectacle

noun : an unusual or impressive object or event seen in public


spectacles

noun : eyeglasses


spectator

noun : a person who watches an event without taking part


spectrum

noun : a band of colors made by separating light into its different wavelengths; a range


speculation

noun : guesses based on ideas and theories that are not proven


speech

noun : a formal talk given in front of an audience


speech

noun : the act or way of communicating by talking


speed

noun : the rate at which something moves or happens


speed of sound

noun : the rate of speed at which a sound wave travels; about 750 miles (1,200 km) per hour at sea level


speed skating

noun : the competitive sport of racing on ice skates


spell

noun : a period of time


spell

noun : a magical charm; an ability to influence people as if by magic


spelling

noun : the forming of words with letters


spelling bee

noun : a competition in which people spell words


spelunker

noun : a person who explores caves


sperm

noun : a male reproductive cell


sphere

noun : a round solid shape, like a ball


spices

noun : flavorings for food made from the root, flower, fruit, seed, or bark of a plant


spikes

noun : thin, pointed objects or pieces of something


spinach

noun : a leafy vegetable with dark green leaves


spinal cord

noun : a collection of nerves that are protected by vertebrae


spine

noun : a column of bones that provides the main support for a vertebrate's body; the backbone, or vertebral column


spine

noun : a needle-shaped part of some plants that are actually leaves, such as those found on cactuses


spines

noun : hard, pointed parts on the body of some plants, mammals, fish, and invertebrates


spinning

noun : the activity of twisting fibers to turn them into threads


spinning

noun : the process of making thread or yarn from raw fibers


spiral

noun : a rounded curve that gets wider as it extends out from a central point


spire

noun : the pointed top of a tower or other building


spirit

noun : energy; enthusiasm


spirit

noun : a supernatural being; the soul or essence in some belief systems


spleen

noun : an organ in the abdomen that destroys old red blood cells and stores blood


splendor

noun : a great brightness or beauty


splint

noun : a piece of wood, metal, or other material that is used to keep a broken bone in place while it heals


splinter

noun : a sharp, thin piece of wood, glass, or other material that has broken off


spokesperson

noun : a person who represents a company in marketing or the media


sponge

noun : a member of a group of primitive marine invertebrates with a porous body that permanently attaches to a solid surface as an adult


sponge

noun : a piece of absorbent material that is used for washing and cleaning


sponsor

noun : a company that gives money to an individual or organization in exchange for advertising


spontaneity

noun : the act of following one's feelings in the moment rather than planning


spool

noun : a round object around which thread or other flexible material is wound


spoonful

noun : the amount a spoon can hold


spoonful

noun : an amount of something that a spoon can hold


spore

noun : a tiny reproductive unit of some plants that can create a new plant


sporting dog

noun : a member of a group of dogs bred to work with people who hunt birds and other small game


sportsmanship

noun : qualities of conduct in sports that include fair play, respect for others, and losing gracefully


spotter

noun : a person who keeps a close watch or lookout for certain types of people or things


spouse

noun : a wife or husband


spout

noun : a tube, pipe, or hole that allows liquid to pass through


sprain

noun : a painful injury to the ligaments of a joint


sprawl

noun : a disorganized spread of development into an area


sprig

noun : a small shoot or twig from a plant


Springfield

noun : the capital of Illinois, located in the central part of the state


springtail

noun : a very small insect with a forked tail that is used for jumping


sprinkler

noun : a device that sprays water or another liquid


sprint

noun : a run or race over a short distance that is completed as quickly as possible


sprout

noun : new plant growth


spunk

noun : determination or courage


spurs

noun : metal spikes or pointed wheels that are worn on the heels of a horseback rider's boots and used to urge a horse forward


spy

noun : a person who watches secretly in order to collect information


squall

noun : a sudden strong gust of wind, especially one accompanied by some form of precipitation


squalling

noun : very loud crying


squash

noun : a hard-skinned fruit that can be cooked and eaten


squaw

noun : an indigenous woman of North America


squid

noun : a water animal with a long body, eight arms, and two tentacles


squire

noun : the richest landowner in a village long ago; a low-ranking nobleman


squirrel

noun : a small mammal with a bushy tail that climbs trees


St. Louis

noun : a large city in eastern Missouri


stack

noun : a neat pile of objects


stadium

noun : a place with many seats where people watch sports or other activities


staff

noun : a group of people who work for a company, person, or school


staff

noun : the set of five horizontal lines and the four spaces between them on which music is written


staff writer

noun : a writer who is employed by a newspaper, magazine, or web publisher


stag

noun : a male deer


stage

noun : a specific period of time in the growth or development of something, such as an insect


stagecoach

noun : a large, covered, horse-drawn vehicle with four wheels


stain

noun : a dirty or discolored mark or patch on something


stairway

noun : a series of stairs for going up or down


stake

noun : a wooden or metal pole placed in the ground, often to support a plant as it grows


stalactite

noun : a pointy rock formation that hangs down from the ceiling of a cave


stalagmite

noun : a pointy rock formation that sticks up from a cave floor


stalemate

noun : a draw or deadlock; a situation in a contest where neither side can gain an advantage or win


stalk

noun : the main stem of a leafy plant, or a stemlike structure


stall

noun : a table or booth where goods are sold; a separate room in a barn for an animal


stallion

noun : an adult male horse


stamina

noun : the strength or energy to do something for a long time


stampede

noun : a sudden rush of cattle or other herd animals that panic and run at top speed as a group


stand

noun : a boxed section of a courtroom where a witness sits while answering questions or presenting evidence


stand

noun : a small booth, such as on a street, that is used for selling goods


standard form

noun : a number written in its usual form, as numerals


standards

noun : levels of quality or accomplishment used to measure or compare


standoff

noun : a draw where both parties are equally matched and unable to proceed


stands

noun : large, raised seating areas for spectators, such as at a sports stadium


stanza

noun : a group of lines that form one of the sections of a poem or song


staple

noun : a common food that is an important part of a diet


stapler

noun : a tool that uses staples to attach papers together


star

noun : a performer or athlete who is talented, important, or famous


starch

noun : a chain of sugars that is made by plants and that makes up a carbohydrate


starvation

noun : a state of extreme hunger or dying because of a lack of food


state

noun : the form or energy level of matter; the most common forms are solid, liquid, and gas


state

noun : an area of land that is either a nation or a part of a country


statehood

noun : being a full state of the United States


statement

noun : a listing of deposits and withdrawals made to and from a bank account


statement

noun : something said or written in a direct, formal, or official way; something that is spoken


stateroom

noun : a private bedroom on a ship or train


station

noun : a regular stop on a bus or train route; a building that is a base for a specific activity


stationery

noun : paper for writing letters, especially the kind with matching envelopes


statistics

noun : numerical data that is collected, organized, and studied


statue

noun : a three-dimensional work of art, usually in the shape of a person or other animal


Statue of Liberty

noun : a large statue, located in New York Harbor, of a robed woman holding a torch and a stone tablet


status

noun : the social rank or standing of someone or something


statute

noun : a law created by the legislative branch of government


stead

noun : the usual place or function of a person or thing that is being substituted


steak

noun : a slice of meat that is normally cooked by grilling, broiling, or frying


steam

noun : the fine mist that is formed when water is boiled


steam engine

noun : a machine with moving parts that uses steam power to create motion


steamboat

noun : a boat with a steam engine


steamship

noun : a ship that uses steam to make it move


steed

noun : a literary term for a horse, especially one available for riding


steel

noun : a kind of metal made of iron and carbon


steel driver

noun : a railroad construction worker whose job is to pound rods into rocks with a heavy hammer


steeple

noun : a tower that rises above the main part of a church


steering wheel

noun : a wheel in a vehicle that is connected by the steering column to the steering gear and is turned to change direction


Stegosaurus

noun : a large herbivorous dinosaur with a spiked tail and a row of plates along its spine


stench

noun : a really gross smell


stepbrother

noun : a son of one's stepparent, by a marriage other than with one's own father or mother


stepdad

noun : a man who has married a child's mother after the death or divorce of that child's father


stepdaughter

noun : a daughter of someone's husband or wife by a previous marriage


stepfather

noun : a man who has married a child's mother after the death or divorce of that child's father


stepmother

noun : a woman who has married a child's father after the death or divorce of that child's mother


stepsister

noun : a daughter of one's stepparent


stepson

noun : a son of someone's husband or wife by a previous marriage


stereo

noun : a sound system with two or more speakers


stern

noun : the back end of a boat or ship


sternum

noun : a long bone running down the front of the chest


steroids

noun : a group of drugs that increase tissue growth, sometimes used illegally by athletes to enhance their performance


stethoscope

noun : a medical device placed against the skin to listen to the heart and other sounds in the body


Steve Jobs

noun : a pioneer in the field of technology and co-founder of Apple Inc. (1955-2011)


stew

noun : a dish of meat and vegetables cooked slowly in liquid in a closed pan


steward

noun : a person who is responsible for looking out for the welfare of someone or something; a guardian or caretaker


stewardship

noun : the management of something in a protective and responsible way by a caretaker


sticker

noun : a label that attaches to a surface because it has adhesive on the back


stigma

noun : the tip of the pistil, or female part of a flower, that receives pollen


stile

noun : a set of steps used to climb over a fence or wall


still life

noun : a drawing or painting of an arrangement of objects


stilts

noun : posts that support a structure above the ground or water level; long poles that allow a person to walk high above the ground


stirrup

noun : a ring with a flat bottom hung by a strap, usually on each side of a saddle


stock

noun : certificates, or shares, of ownership in a corporation


stock car

noun : a regular car, such as those used on city streets


stocking

noun : a close-fitting, knit covering for the foot and lower leg


stockyard

noun : a yard with pens next to a building where livestock are slaughtered and processed into meat


stomach

noun : an organ in the body that creates acid and enzymes that digest food


Stonewall Jackson

noun : military leader and Civil War figure (1824-1863)


stoop

noun : a small platform or set of steps at the front door of a house


stopwatch

noun : a device that can be started and stopped quickly and is used to measure passing time, such as during a race


storage

noun : a place where something is stored or stowed


stork

noun : a tall wading bird with long legs and a long, heavy beak


story

noun : a level in a building


storyteller

noun : a person who tells stories


strainer

noun : a bowl-shaped kitchen tool with many holes in it; used to drain liquid away from solids


strait

noun : a narrow passage of water connecting two large areas of water


strand

noun : a thread, fiber, or filament that may be twisted or woven with others


strap

noun : a strip of flexible fabric or leather used to fasten, carry, lift, or hold on to something


strategy

noun : a careful plan for solving a problem or achieving a goal


straw

noun : the dried stalks of a cereal plant


strawberry

noun : a sweet, soft red fruit covered with tiny seeds


streak

noun : a flash of movement; a stripe


street sweeper

noun : a person who cleans streets, usually in a city; a machine used for the same purpose


streetcar

noun : a vehicle that carries passengers and runs on electricity from an overhead cable


strength

noun : physical power


stress

noun : a state of physical or emotional tension; worry


stretcher

noun : a cot-like frame used to carry a person who is sick or hurt


stride

noun : the length or style of steps taken while walking or running


strife

noun : angry disagreement


strike

noun : a form of protest in which workers stop working to show dissatisfaction with their employer or working conditions


strings

noun : musical instruments such as violins, violas, cellos, and double basses that have strings and are often played with a bow


strip

noun : a long, narrow piece of something


stroke

noun : a rapid loss of brain function resulting from interrupted blood flow to the brain


stroke

noun : a mark made by a paintbrush or a drawing tool


stroke

noun : one of a series of repeated movements, such as in swimming or rowing


stroll

noun : to slowly walk in an unhurried way


stronghold

noun : a well-protected place


structure

noun : something built from a collection of parts, such as a building or bridge


struggle

noun : a goal that is difficult to achieve, or the effort to achieve such a goal; a fight or conflict


stud

noun : a male animal used for breeding


studio

noun : a place where an artist works


study

noun : a careful scientific examination or analysis of something


study

noun : a room used to read, think, or write


stuffing

noun : padding inside furniture, pillows, and stuffed animals; the filling put inside a turkey before cooking it


stumper

noun : a question that is difficult to answer


stunt

noun : a difficult and often dangerous physical feat, often performed as entertainment


style

noun : a distinctive artistic form, such as in music, art, or literature; a special way of doing something


style

noun : a certain manner of dressing or type of clothing or hairdo


Styrofoam

noun : a semirigid plastic that is usually white and has a spongy texture


subcontinent

noun : a large land area that is a part of a continent


subject

noun : something being thought about or discussed; a topic


subject

noun : a person who is under the rule or influence of another, especially a ruler or government


subject

noun : the part of a sentence that names the person or thing that the sentence is about


subject

noun : a course of study in school


submarine

noun : a type of watercraft that can operate completely underwater


submersible

noun : a small vessel that can operate under water, especially at deep levels


submission

noun : a work judged or reviewed by someone else


substance

noun : a particular kind of material


substitute

noun : an extra team player who takes the place of another in case of injury


substitution

noun : an exchange


subtitle

noun : a secondary title of a published piece of work


subtraction

noun : the act of finding the difference between two numbers


suburb

noun : a neighborhood outside the central part of a city, especially one with many houses


success

noun : someone or something that achieves a desired result


succulent

noun : a plant with thick, fleshy leaves and stems that can store water


suds

noun : a mass of bubbles made from soap and water


suede

noun : leather that has been rubbed on one side to make a soft, velvety surface


suffix

noun : a syllable or group of syllables added to the end of a word to change the meaning


sugarcane

noun : a tropical grass that sugar comes from


suggestion

noun : an idea offered in an attempt to persuade


suicide

noun : the act of killing oneself on purpose


suit

noun : a set of clothes or coverings used or worn for a specific purpose


suit

noun : a set of clothes, made of the same fabric, that includes a jacket and either slacks or a skirt


suite

noun : a group of things that make up a collection


suitor

noun : a man who wants to date and someday marry a certain woman


sultan

noun : a monarch in a Muslim country, similar to a king or emperor


summary

noun : a short statement that tells the main points of something


summit

noun : the highest point of a mountain


sunburn

noun : damage to skin cells caused by UV radiation in sunlight


sundae

noun : a bowl of ice cream with toppings added


sundial

noun : a kind of shadow clock that uses the rays of the Sun to tell time


sunflower

noun : a large flower in the daisy family that has bright yellow or gold petals arranged in rays around the center


sunglasses

noun : dark glasses that protect the eyes from sunlight


sunscreen

noun : a substance rubbed on the skin to prevent sunburn


sunspot

noun : any of the relatively cool dark patches that appear in cycles on the Sun's surface and possess a powerful magnetic field


superhero

noun : a fictional being who has amazing powers


superintendent

noun : a person in charge of a school system


superior

noun : a person who ranks higher or holds a higher position


supermarket

noun : a large store that sells food and household items


superstition

noun : a belief not based in reason that comes from ignorance or fear


supper

noun : a meal eaten in the evening


supplement

noun : a non-food substance that provides nutrients


supply

noun : the amount of something available for sale or use


support

noun : something that holds weight


support

noun : something that provides strength or comfort


suppression

noun : the act of forcibly ending or subduing a movement or idea


Supreme Court

noun : the highest court of law in the judicial system of the United States


surface

noun : the outside or top part of a thing; the part of the ocean or land that touches the air above it


surge

noun : a sudden, powerful movement forward or upward, such as that of ocean waves


surgeon

noun : a doctor who performs operations


surgery

noun : medical treatment in which a doctor cuts into a patient's body to repair or remove damaged parts


surname

noun : a last name


surplus

noun : an amount left over after needs have been met


surrender

noun : the act or an instance of giving up


surroundings

noun : the setting or area around a place or a living thing


survival

noun : the state of living or remaining alive or in existence


survivor

noun : a person who has lived through a life-threatening event


Susan B. Anthony

noun : women's rights leader; especially dedicated to working to get women the right to vote (1820-1906)


sushi

noun : a bite-sized Japanese food often made of rice, seaweed, vinegar, and raw fish


suspect

noun : a person who is believed to be guilty of committing a crime


suspenders

noun : a pair of straps that go over the shoulders and attach to the waistband of pants or a skirt to hold it up


suspense

noun : the feeling of anxiety or excitement about what might happen next


suspension bridge

noun : a bridge held up by cables or ropes


suspicion

noun : a belief, feeling, or thought about something


sutures

noun : a row of stitches that holds together a wound or a surgical incision


swallow

noun : a migratory songbird with a long forked tail


swamp

noun : wet land that has areas often covered by water


swarm

noun : a large group, especially flying insects


swearing-in

noun : the act of entering into an official office by taking an oath


sweat

noun : moisture that leaves the body through pores in the skin


sweatband

noun : a ring of cloth worn around the head or wrist to absorb perspiration


sweatpants

noun : a baggy, heavy pair of pants, usually made of cotton, worn for exercise or play


sweatshirt

noun : a baggy, heavy shirt, usually made of cotton, worn for exercising or play


Sweden

noun : a northern European country located between Norway and Finland


sweet potato

noun : a tropical root vegetable that is sweeter than a potato


swim fins

noun : flipperlike shoes worn on the feet to imitate fish fins


swimming

noun : the activity of moving through water using one's arms and legs


swindle

noun : getting something by lying or some other deception


swine

noun : of or related to pigs; a pig


switch

noun : a break in an electric circuit that can be opened or closed, stopping and starting the flow of electric current


switchboard

noun : an electrical panel through which telephone calls can be connected


Switzerland

noun : a mountainous country in central Europe


swivel

noun : a turn, as in a circle


sycamore

noun : a large North American tree that can be identified by its stiff, flaking bark


syllable

noun : a word or part of a word in which the voice sounds only once


symbol

noun : an object, picture, or sign that represents an idea, letter, or word


symmetry

noun : having the same size and shape across a dividing line, or having one half identical to the other half


sympathy

noun : a feeling of connection or kinship; sadness for another person's troubles


symphony

noun : a large group of musicians who play classical music together; a classical composition for a full orchestra


symptom

noun : a specific sign of illness or injury


synagogue

noun : a Jewish place of worship


syndicate

noun : a news service that sells articles, features, and photographs for publication in newspapers


syndrome

noun : a group of symptoms that show up together


synonym

noun : a word that has the same meaning as another word


synthesis

noun : the combining of two or more things to form something new


syrup

noun : a thick liquid that is sweet and sticky


system

noun : a group of things or ideas that work together

 

Saami

noun : the native people of Lapland, a region in northern Europe


sacrum

noun : a triangular bone in the lower back located between the hipbones


saddle horn

noun : a knob on the front of a horse's saddle


Saffir-Simpson Hurricane Scale

noun : a scale used to classify the intensity of hurricanes


saga

noun : a story written in Iceland during the Viking Age about heroes and their adventures; any long story about heroic adventures


Sahara Desert

noun : a very large desert that is located in northern Africa


sales tax

noun : money paid to a government by the buyer of goods or services at the time of a sale


salutation

noun : the opening phrase of a letter or speech; a greeting


sandstone

noun : a type of sedimentary rock made up of particles of sand


sarcophagus

noun : a limestone coffin or tomb, often inscribed and elaborately ornamented


sari

noun : a type of traditional dress for women in India and neighboring countries


sartorius

noun : a muscle that allows the leg to twist and bend at the knee


satire

noun : a book, play, movie, or other story that uses wit, especially irony and sarcasm, to make fun of something or someone


savanna

noun : a flat grassland with few trees


sawatdi

noun : Thai for hello or good-bye


sayonara

noun : the Japanese word for "good-bye"


scabbard

noun : a close-fitting cover for the blade of a dagger, sword, or bayonet


scalene triangle

noun : a triangle whose sides are all unequal


scansion

noun : the mapping of the rhythm of stressed and unstressed syllables in poetry


scapula

noun : either of the two bones in the back that include the shoulder socket and blade


schism

noun : the splitting of one organization or group into two or more


scientific method

noun : the process scientists use to test theories and ideas using experiments and observation


scientific notation

noun : a short way of writing a very large or small number using a real number between 1 and 10 multiplied by a power of ten


scourge

noun : a person or thing that is seen as an agent of punishment, suffering, or vengeance


scrub forest

noun : a forest with mild, rainy winters and very dry summers during which most plant life is dormant


scurvy

noun : a life-threatening illness common to early sailors that was caused by a lack of vitamin C


scute

noun : a bony plate on the shell of a turtle


sea cave

noun : a cave formed by ocean waves wearing away rocks


sea dragon

noun : a saltwater fish, related to a sea horse, that has growths on its body that look like seaweed


Sea of Japan

noun : a section of the Pacific Ocean that separates the islands of Japan from the mainland of Asia


seahorse

noun : a fish with a curled tail and a head that looks like a horse


seamount

noun : an underwater volcano


search engine

noun : a search tool used to locate information on the Internet


secant

noun : a straight line that crosses a circle twice


secession

noun : the act of formally separating from or leaving an organization or government


second-class lever

noun : a lever in which the load is between the force and the fulcrum


secondary consumer

noun : an organism in a food chain that eats animals and may also eat plants


secretion

noun : a substance, usually a liquid, produced and released by a plant or animal


sedimentary rock

noun : rock formed when sediment is compacted


sedimentation

noun : the formation of a geological deposit created by wind, water, or ice


seismograph

noun : a device that makes electrical signals when the ground moves; detects earthquakes and measures and records their magnitude


selective breeding

noun : the breeding of selected plants or animals with each other for the purpose of improving or controlling the traits inherited by their offspring


sense organ

noun : a body part that responds to information from the outside world


serpent

noun : a large snake


server

noun : a computer that manages the flow of information to and from a local network or the Internet


shabti

noun : a carved figurine believed to awake as a servant of the dead in the afterlife


shadow clock

noun : a device that uses an object's shadow to tell time


shale

noun : a type of sedimentary rock formed by layers of clay, mud, or silt


shaman

noun : a healer or spiritual leader in a tribal society


shareholder

noun : a person who owns part of a company


sharpshooter

noun : a person who is very skilled and accurate when shooting at a target


Shema

noun : the most important prayer of the Jewish religion, which declares faith in a single God


Sherpa

noun : a member of a cultural group of people living in the Himalayas who often work as mountain climbers' guides


shield volcano

noun : a nonexplosive volcano made of hardened lava


shipwright

noun : a carpenter skilled at building and repairing ships


shofar

noun : a trumpet made from a ram's horn, used long ago by Jewish people in ceremonies and to communicate signals during battles


shortstop

noun : an infielder in baseball who plays between second and third base


significance

noun : the importance or special meaning of something


silicon

noun : a nonmetallic chemical element found in the Earth's crust that is often used in electronic devices


Silk Road

noun : an overland trade route that connected the civilizations of the Mediterranean Sea with those in Asia


similar figures

noun : figures that have the same shape but different measurements


simile

noun : the comparison of two unlike things, usually using the word "like" or "as"


simulation

noun : a computer model or reproduction of certain conditions or situations


single

noun : a hit in baseball or softball that allows a player to reach first base


singles

noun : a game with one player on each side


Sioux

noun : a member of a Native American people in north-central North America; the language of these people


sipapu

noun : a hole in the floor of a kiva that is a doorway between the spirit world and the physical world


Sirenia

noun : the group of mammals that manatees belong to


sitcom

noun : a television comedy show


skein

noun : a very long piece of yarn or thread that is packaged in a loose coil


skeletal muscles

noun : strong muscles that connect to bones and allow the body to move


skeletal system

noun : the body system that provides a sturdy frame to support all other body systems


skeleton

noun : a short racing sled without any steering or brakes that is ridden head first and face down


skeleton key

noun : a key with teeth filed away so that it can open different simple locks


skirmish

noun : a small, brief fight, usually one that is part of a larger battle


slaughterhouse

noun : a factory where livestock is killed and processed into meat


sloop

noun : a relatively small and fast single-masted ship


smelt

noun : an small, edible fish that lives in fresh water or in coastal sea waters


smelting

noun : the use of extreme heat to separate metal from the ore containing that metal


Smithsonian Institution

noun : a large group of museums and research centers located mainly in Washington, D.C.


smolt

noun : a young salmon or trout that has developed enough to move from a river to the ocean


smooth muscle

noun : muscle that moves substances without a person’s control and is found in many internal organs


snow line

noun : the altitude above which it is too cold for snow to melt


social institution

noun : a significant organization or policy that guides a culture or society


social justice

noun : the state or principle of equal economic, political, and social rights and opportunities for every human being


social system

noun : a set of social relationships and social roles that make up society


socialism

noun : a political and economic system in which the means of production and distribution are owned and regulated by the community as a whole


Socrates

noun : a philosopher of ancient Athens and the teacher of Plato


soda straw

noun : a long, hollow tube that forms in a limestone cave


solar cells

noun : structures made from silicon or plastic that absorb light energy from the Sun and turn it into electricity


solar eclipse

noun : an eclipse during which the Moon passes in front of the Sun and hides it from view


solar energy

noun : power from the Sun


solar flare

noun : a sudden energy burst that appears as a large, bright loop on the Sun's surface


solar panel

noun : a structure that converts sunlight into electricity


solar radiation

noun : energy that the Sun gives off in the form of rays of light or heat


solar system

noun : a group of objects in space that orbit a star


solar wind

noun : a stream of gases that come from the Sun


solute

noun : any substance that is dissolved into a liquid or gas, creating a solution


solvent

noun : in a solution, the liquid or gas into which a solid, liquid, or gas is dissolved


sonata

noun : a piece of classical music, usually in three or four parts, that is played by an instrumental soloist, often with piano accompaniment


sound energy

noun : energy that allows us to hear things


South Africa

noun : a country at the southern tip of Africa


South Korea

noun : a country in Asia located at the south end of the Korean Peninsula


Southeast Asia

noun : a region of southeastern Asia that includes countries on the mainland and many islands


Southern Ocean

noun : the very cold ocean that surrounds the continent of Antarctica and the South Pole


sovereign

noun : the supreme ruler of a nation, especially a king or a queen


sovereignty

noun : the freedom to be in charge of one's own affairs


Spanish-American War

noun : a war between the United States and Spain in which the United States gained control of Spanish territory in the Caribbean (1898)


Sparta

noun : a city-state of ancient Greece that was a rival of Athens known for its military strength


special education

noun : an instructional approach for students with physical and/or mental disabilities


specialist species

noun : a species able to tolerate or use a limited range of habitats, food, or other resources


specialization

noun : the act of producing a narrow range of goods or services that meet only a selection of the wants and needs of a community


spectrograph

noun : an instrument used to record and map electromagnetic radiation


sphinx

noun : a giant stone figure of an imaginary creature with the head of a man or animal and the body of a lion


spiral galaxy

noun : a galaxy with curved arms that extend from a central axis


split infinitive

noun : a phrase in which the base form of a verb (such as "to go") has an adverb between the two words


splitting infinitives

noun : breaking up verbs in their base form with adverbs or other words, such as "to boldly go"


spoonbill

noun : a tall wading bird that is mainly pink or white


sporangia

noun : structures on fungal hyphae that produce spores


spring tide

noun : the largest tide during a month, caused by the Sun and Moon pulling in the same direction


Sputnik

noun : the first human-made satellite successfully launched into space


squadron

noun : a military unit made up of more than one small group of soldiers, airplanes, or ships


stakeholder

noun : a person or institution that has an interest, or stake, in how a resource is used or managed


stamen

noun : the male part of a flower, where pollen is made


standard of living

noun : the level of material comforts and wealth available to a person, community, or country


standard system

noun : the measuring system used in the United States


stapedius

noun : the muscle that stabilizes a bone, called the stapes, in the ear


state of matter

noun : the solid, liquid, or gaseous condition of a substance


static electricity

noun : electricity caused by a buildup of negative charges in one place and positive charges in another


static line

noun : a cord attached to an airplane that automatically opens a parachute


statistician

noun : a person who analyzes statistics, or numerical data, for research, sports, or other purposes


Statue of Zeus at Olympia

noun : a 40-foot statue of the god Zeus that once stood in the ancient Greek city of Olympia; one of the Seven Wonders of the Ancient World


steeplechase

noun : a horse race that requires jumping over obstacles


steerage

noun : the lowest part of the ship where the poorest passengers rode


steppe

noun : a dry grassland that is hot in summer and cold in winter


stereolithography

noun : a printing process that creates a three-dimensional object from a digital design


stick-to-itiveness

noun : the character trait of continuing to work on a problem until a solution is found


stimulation

noun : something that provides sensory input and sparks interest


stimulus

noun : information or an event that produces a reaction


stingray

noun : a fish with a large, flat body and a long tail with stinging spines on it


stockade

noun : a strong fence made of upright posts, usually used for defense


stockholder

noun : a person who owns one or more shares, or parts, of a company


stomata

noun : tiny openings in leaves and stems that allow gases to enter and exit


Stone Age

noun : an early period in human civilization marked by the use of stone tools


Stonehenge

noun : an ancient monument in England made of huge stones


stop-motion animation

noun : taking a few photos of a model each time it is moved slightly so that it looks as if the model is moving on its own


stored energy

noun : energy that is kept or collected to be used later


storm surge

noun : a quick rise of the ocean’s level, caused by strong winds and a drop in air pressure during a hurricane


story map

noun : a timeline that shows the order of events in a story


strain

noun : a group of viral organisms of the same species


stratosphere

noun : the layer of Earth’s atmosphere located beyond the troposphere; the layer that protects Earth from solar radiation


stratus

noun : a solid, gray kind of cloud that often covers the sky


sturgeon

noun : a large, primitive fish


style

noun : the slender part of a pistil, or female reproductive organ of a flower


stylus

noun : a pencil-like tool used to make raised dots on heavy paper


subsoil

noun : the middle layer of soil, which contains more rocks than topsoil


subspecies

noun : a subdivision of a species of plant or animal that is different from other groups within the species


substrate

noun : any surface on which an animal or plant grows or is attached


succession

noun : a sequence of people who take a position of power


succession

noun : the gradual process of change in an ecosystem brought on by the progressive replacement of one community by another in an orderly sequence until a stable community is established


successor

noun : a person who follows another in a job or elected position


Suez Canal

noun : an artificial waterway connecting the Mediterranean Sea with the Red Sea, providing a link between the Atlantic Ocean and the Indian Ocean


suffrage

noun : the right to vote


suffragist

noun : someone who supports granting the right to vote to those who don't already have it


Sukkoth

noun : the Jewish harvest festival


sulfur

noun : a chemical element that is common and can burn


Sun Belt

noun : a region of the United States that stretches across the entire southern third of the country


Sundarban

noun : a heavily forested swamp area next to the Bay of Bengal in India and Bangladesh


supercell

noun : a rotating thundercloud that reaches high into the sky and often produces tornadoes


superlative

noun : an extreme description; the highest degree of a quality


supernova

noun : explosions of stars, resulting in a sharp increase in brightness followed by a gradual fading


surface water

noun : water found above ground, on land


surge cloud

noun : a fast, superheated cloud of ash, gas, dust, and rock that moves along the ground after a volcanic eruption


survival of the fittest

noun : a theory explaining that the organisms best suited to live in a particular environment are those most likely to survive


suspension

noun : a mixture in which a liquid contains other particles that do not dissolve in it


sustainability

noun : the use of natural resources at a slow enough rate to prevent them from being used up


suture

noun : a joint or seam between skull bones


sweat lodge

noun : a special place usually heated by steam and used for ritual sweating to clean or purify the body or spirit


swivel joint

noun : a joint that can tilt or turn


swordfish

noun : a large ocean fish that has a swordlike snout


symbiosis

noun : an interaction or relationship between two different species (animal or plant), often to the advantage of both


symphony orchestra

noun : a large group of musicians who play string, woodwind, brass, and percussion instruments


synchronized swimming

noun : a competitive sport in which a swimmer or swimmers perform dance movements in water in time with music


synecdoche

noun : a figure of speech that uses a part to represent the whole or a whole to represent a part


syntax

noun : rules of grammar about the correct order of words in sentences