5th grade vocabulary words

498 words from Rookling's SSAT practice, each with a simple definition and a synonym. Words a strong 5th grade reader should know, and a good place to start for SSAT prep. Grade levels are a guide: a strong reader can move up a list.

WordMeaningSynonym
abandonTo leave someone or something behind and not come back.desert
abruptHappening with no warning.sudden
absurdSo unreasonable that it makes no sense.ridiculous
abundantExisting in large amounts, more than enough.plentiful
accurateFree from mistakes and true to the facts.correct
acquireTo come to own or have something, often by effort.gain
adeptVery good at doing something because of practice.skilled
adequateGood enough for what is needed, but no more.sufficient
adoreTo care for someone or something with great warmth and affection.love dearly
adversaryA person you are up against in a fight or contest.opponent
aerialHappening in the sky or seen from high above the ground.airborne
affluentHaving lots of money and the nice things it buys.rich
agonySuffering so bad that it is hard to bear.extreme pain
allyA person or group that joins with you for a shared goal.supporter
amassTo gather up a big pile of something over a period of time.collect
amiablePleasant and easy to get along with.friendly
amphibiousAble to live or travel in two kinds of places, dry ground and the sea.on land and water
ancestorA relative who lived long before you and is part of your family line.relative from long ago
ancientFrom a time very long ago in history.old
anguishGreat suffering, usually in the mind or heart.agony
anonymousWritten or done by someone whose identity is hidden or unknown.unnamed
antagonistA person who fights against the main character or the hero.opponent
antiqueAn old object that is valuable because of its age.old
anxiousNervous and uneasy about what might happen.worried
arbitraryDecided on a whim, with no real reason behind the choice.random
archaicFrom a much earlier time and not in use anymore.outdated
aromaA smell, especially a pleasing one coming from food or flowers.scent
arrogantActing as if you are better than everyone else.conceited
assistTo work with someone to make a task easier.help
astonishedStruck with sudden, great surprise.amazed
athleticStrong and fit, and good at running, jumping, and games.sporty
atticThe room right under the roof of a house.loft
augmentTo make something larger by adding more to it.increase
authenticNot a copy or a fake, but truly what it is claimed to be.real
aversionA deep feeling against something that makes you want to avoid it.strong dislike
aviationThe business and science of flying aircraft.flight
barrenUnable to grow plants, with nothing living on it.bare
bellowTo shout in a very deep, loud voice, like a big bull.roar
beneficiaryA person who gets money or help from something.receiver
benevolentFull of goodwill and wanting to do good things for other people.generous
berateTo tell someone off in a harsh, angry way for a long while.scold
bewilderedTotally mixed up and unable to understand what is going on.puzzled
blandHaving very little taste or excitement.dull
blazeA large, strong burning with high flames.big, fierce fire
blizzardA heavy snowfall blown around by strong winds.snowstorm
boastTo talk about your skills or things in a way that shows too much pride.brag
boilingSo warm that it feels almost unbearable.very hot
bolsterTo give extra strength or help to something that needs it.support
botanicalHaving to do with flowers, trees, and the study of them.of plants
boundlessHaving no end or edge, so it never runs out.limitless
breezeA light, soft flow of air that you can barely feel.gentle wind
briefLasting only a little time.short
brimmingHolding as much as it possibly can, right up to the edge.full to the top
browseTo look at things in a relaxed way without reading or studying closely.skim
burdenSomething heavy that you must carry or put up with.load
burrowA hole in the ground that an animal digs for a home.tunnel
bustlingFull of lively movement and many people doing things.busy
calmQuiet and relaxed, without worry or fuss.peaceful
captureTo take hold of a person or animal and keep it.catch
carelessNot paying attention to details, so you make mistakes.sloppy
catastropheA sudden event that causes great damage or suffering.disaster
ceaseTo come to an end or not go on.stop
cellarA room below the ground floor of a house, used for storage.basement
cherishTo hold something dear and take good care of it.treasure
chronologicalArranged so the oldest event comes first and the newest last.in time order
cleverQuick at thinking up ideas and solving problems.smart
clumsyOften dropping or bumping into things when you move.awkward
clutchTo hold on to something very tightly.grip
coarseHaving a bumpy, scratchy feel, not smooth.rough
coherentEasy to follow because the parts fit together well.easy to follow
competentHaving the skill to do a job well.capable
complyTo do what a rule or an order tells you to do.obey
concedeTo say that something is true even though you did not want to.admit
conciseSaying a lot using only a few words.short
concurTo have the same opinion as someone else.agree
confideTo tell a private secret to someone you trust.open up
confrontTo stand up to a person or problem and deal with it directly.face
consultTo ask an expert or a book for help or information.seek advice
contrabandThings that are sneaked across a border against the law.smuggled goods
cordialWarm and polite in the way you greet people.friendly
courageThe ability to face danger or fear without running away.bravery
crampedWith too little room for the people or things inside.tight
craveTo have a very strong need or desire for something.hunger for
creepTo move slowly and quietly with your body low.sneak
crouchTo bend low with your knees folded and your body close to the ground.squat
crowdedFilled with so many people that there is little room.packed
crucialSo needed that things would fail without it.extremely important
crypticHaving a hidden meaning that is hard to work out.puzzling
culpritThe one who is to blame for a crime or a mistake.offender
cultivateTo prepare land or tend crops so they thrive, or to build up a skill.grow
cunningGood at getting what you want by using tricks.sly
cynicalBelieving that people act only out of selfish reasons.distrustful
dabbleTo do something now and then, without taking it seriously.try casually
dartTo run or fly suddenly and fast in one direction, like a small fish.dash
dawdleTo take much too long and waste time while doing something.dillydally
dazzlingSo full of shine that it hurts your eyes to look.extremely bright
deafeningSo noisy that you cannot hear anything else.extremely loud
debrisThe scattered pieces left after something has been broken or wrecked.rubble
deceiveTo make someone believe something that is not true.trick
deduceTo figure something out by thinking about the facts you have.conclude from evidence
deftQuick and clever with your hands or actions.skillful
delightedFilled with great joy and happiness.very pleased
demolishTo knock something over until nothing is left standing.tear down
densePacked tightly so there is little space between parts.thick
departTo go away from a place, especially to begin a trip.leave
descendTo move from a higher place to a lower one.go down
desolateEmpty and lonely, with nobody around and a bleak feel.deserted
detestTo dislike something very strongly.hate
devourTo eat quickly and eagerly, with a big appetite.gobble
dilemmaA hard choice between two or more things.predicament
disagreeTo not share the same opinion as someone else.differ
discardTo get rid of something because you no longer want or need it.toss
discomfortA mild ache or an awkward, bothered feeling.unease
discreetCareful about what you say or do so as not to attract notice.low-key
dismalDark and sad, making you feel low.dreary
disobeyTo not do what a rule or a person in charge says.rebel
dispelTo drive away a feeling or belief completely.banish
distantA long way away in space or time.far
domesticHaving to do with the home or family.household
downpourA sudden fall of water from the sky in great amounts.heavy rain
dozeTo sleep lightly for a short time, often when you did not plan to.nap
dreadfulAwful and very unpleasant.terrible
drizzleA fine, soft mist of water falling from the clouds.light rain
droughtA long stretch of weather with hardly any rain.dry spell
dumbfoundedSo surprised that you cannot find a word to say.speechless
duskThe time of evening when daylight fades and it gets dim.twilight
eavesdropTo secretly hear what other people are saying.listen in
eccentricUnusual in a way that is different from most people.quirky
echoWhat you hear when your voice bounces off a wall and comes back.repeated sound
effortlessDone so smoothly that it seems to take no work.easy
ejectTo push or force something out suddenly.expel
elegantPleasing and stylish in a simple, refined way.graceful
elusiveSlipping away whenever someone tries to find or grab it.hard to catch
emphaticSaid or done in a strong and certain way.forceful
endeavorA serious try at doing something.attempt
enemyA person who is against you and wants to harm you.foe
enragedFilled with a burning anger.furious
enticeTo win someone over by offering something that looks appealing.tempt
epilogueA short part at the very end of a story that tells what happened later.closing section
errorSomething done wrong or not correct.mistake
eternalGoing on without any end, through all of time.everlasting
evadeTo slip away from a person or problem so it cannot catch you.dodge
eventuallyIn the end, after a long time or many steps.finally
evokeTo make a memory or feeling come back to you.bring to mind
excavateTo remove earth from the ground to make a hole or uncover things.dig out
excessiveGoing past what is reasonable or necessary.more than needed
exclaimTo say something suddenly and strongly because of a big feeling.cry out
excludeTo keep something from being part of a group or list.leave out
exhaleTo let air leave your lungs.breathe out
exportTo send goods to another country to be sold.ship abroad
extractTo pull something out, like a tooth.remove
famousTalked about and recognized by a great many people.well-known
feasibleAble to be done in a practical way.doable
feastA large, special spread of dishes for many people to enjoy together.big meal
featAn act that takes great skill or strength to do.achievement
feignTo act as if you have a feeling or condition when you really do not.fake
felineHaving to do with the animal family that includes lions and house pets that purr.catlike
fertileRich enough that plants grow well in it.fruitful
festiveJoyful and full of the spirit of a party or holiday.merry
fetchTo go to a place, get something, and carry it back.retrieve
feudA long fight between people or families that never seems to end.lasting quarrel
flatterTo give too many compliments, often to win someone over.butter up
flauntTo display something proudly so everyone will notice.show off
flawlessHaving no faults, cracks, or errors at all.perfect
fleeTo leave in a hurry to escape danger.run away
fleetingGone almost as soon as it comes.brief
flourishTo grow well and be healthy and successful.thrive
fluentAble to speak or write smoothly and with ease.articulate
foolishShowing a lack of good sense.silly
foreseeTo know that something will happen before it does.anticipate
forlornSad and left alone, as if forgotten by everyone.lonely
fortunateHaving good things happen to you by chance.lucky
fragmentA part that has come off from the whole thing.broken piece
frenziedWildly excited and out of control.hysterical
frightenTo fill someone with fear.scare
frivolousNot serious and of little real value.silly
frugalCareful with money and not spending more than needed.careful with money
futileHaving no chance of working, so effort is wasted.pointless
generousHappy to share your time or things with others.giving
giganticFar bigger than what is normal.huge
giggleTo make light, bubbly sounds because something is funny.laugh in a silly way
gingerlyIn a very careful way, to avoid causing harm.cautiously
glanceA very short view of something.a quick look
glimmerA weak, wavering shine that appears for a moment.faint, flickering light
gnawTo bite on something again and again, wearing it down.chew
gourmetA person who knows and loves excellent cooking and fine dining.food expert
gratefulFeeling that you want to show appreciation for a kindness.thankful
grinTo spread your lips so your teeth show because you are happy.smile widely
guffawA big, loud burst of laughter.roaring laugh
gullibleQuick to believe whatever you are told.easily fooled
gushTo burst out in a big, fast flow.pour
gustA short, strong burst of moving air.sudden rush of wind
haggleTo argue with a seller to get a lower price.bargain
harvestTo pick a crop when it has grown and is ripe.gather
haulTo pull something heavy along with great effort.drag
hazardSomething that might cause harm or injury.danger
heirloomA valued object handed down in a family for generations.keepsake
helplessNot able to do anything to protect or save yourself.powerless
hermitA person who chooses to live far from other people.loner
hesitateTo stop for a moment before acting because you feel unsure.hold back
hibernateTo spend the cold months resting deeply, as some animals do.sleep through winter
hilariousSo amusing that it makes you laugh out loud.very funny
hinderTo get in the way and slow something down.hold back
hoardTo collect a large supply of something and keep it secretly for yourself.stash
hoarseSounding rough and scratchy, like a voice after a lot of yelling.raspy
hoistTo lift something heavy, often with ropes.raise
hollowHaving a hole or open space in the middle instead of being solid.empty inside
homageRespect shown to someone in public.respect
honestNot lying, cheating, or stealing.truthful
hoverTo stay in the same spot in the air without landing.float
humbleNot thinking you are better than other people.modest
humidWith so much moisture in the air that it feels damp and sticky.muggy
hurlTo throw something with a lot of power.fling
hygienicFree of dirt and germs, so it is good for your health.clean
idleDoing nothing or not being used.inactive
idolizeTo admire someone so much that you think they can do no wrong.worship
illegalForbidden by the government's rules, so you can get in trouble.unlawful
immatureActing in a silly way that shows you have not grown up yet.childish
immenseFar larger than what you would usually see.huge
imminentLikely to take place at any moment now.about to happen
impasseA spot where both sides are stuck and cannot move forward.dead end
impatientNot able to wait calmly for something.restless
impendingComing soon, as if it is hanging over you.about to happen
implyTo let others figure something out without saying it plainly.suggest
impracticalNot sensible or useful in real life.unworkable
impulsiveActing quickly on a sudden urge without thinking.rash
inanimateNot alive, like a rock or a chair.lifeless
incapableLacking the skill or power to do something.unable
inciteTo urge people on to do something, often something bad.fire up
incognitoHiding who you really are so no one knows you.in disguise
incompleteMissing one or more parts that it needs.unfinished
inconsiderateNot caring about how your actions affect other people.thoughtless
inedibleNot safe or fit for a person to have as food.uneatable
inevitableCertain to happen no matter what you do.unavoidable
inexpensiveNot costing much money.cheap
inklingA small hint or feeling that something is true or may happen.faint idea
inquireTo try to learn something by putting a question to someone.ask
insomniaNot being able to fall asleep or stay asleep at night.sleeplessness
inspectTo look at something carefully to check for problems.examine
integrityAlways doing what is right, even when no one is watching.honesty
interjectTo say something suddenly while another person is speaking.cut in
interrogateTo ask a person a long series of hard, tough queries.question
interruptTo break into what someone is saying or doing.cut in
interveneTo enter a situation on purpose to change how it turns out.step in
invincibleToo strong to ever be defeated.unbeatable
invisibleNot able to be noticed by the eye, like air.unseen
irrationalNot based on sound thinking or good sense.unreasonable
jaggedHaving rough edges with sharp points sticking out.spiky
jeopardizeTo put something at risk of harm or loss.endanger
jeopardyThe chance that something will be lost or harmed.peril
journeyThe act of traveling from one place to another.trip
jovialCheerful and full of good humor.jolly
kindleTo start a fire burning, or to awaken a feeling.ignite
lamentTo show deep sadness about a loss.mourn
localizedStaying inside a small spot instead of spreading far.kept to one area
locateTo discover where something is.find
loyalStanding by a friend or country and not letting them down.faithful
lucidEasy to follow and understand.clear
lucrativeBringing in a lot of money.profitable
lullabyA soft, soothing tune that a parent sings to a baby at night.bedtime song
lunarHaving to do with the body that circles Earth and shines at night.of the moon
lungeTo push your body toward something in one sudden, strong step.move forward suddenly
lureTo tempt a person or animal to come closer, often into a trap.draw in
majesticImpressive and noble in size or beauty.grand
maladyA sickness that makes a person unwell.disease
malnourishedSick or weak because of not getting enough healthy food.underfed
manuscriptA book or story as the writer first wrote or typed it.author's draft
marginalSo small that it hardly makes a difference.minor
maternalHaving to do with being a mom.motherly
mediocreNot good and not bad, just so-so.average
melodiousPleasing to hear, like sweet music.tuneful
metropolisA huge and busy place with many people, buildings, and roads.big city
mightyHaving great strength and force.very powerful
migrateTo travel from one area to another, often as the seasons change.relocate
mimicTo copy the sounds or actions of another person or animal.imitate
miniatureMade in a tiny size, like a toy copy of a real thing.small-scale
mirageSomething you think you see in the desert heat that is not truly there.illusion
misbehaveTo do things you have been told not to do.act up
misconceptionA belief that many people hold but that is not true.wrong idea
miserableFeeling deeply sad and low.very unhappy
misfortuneSomething unpleasant that happens to you by chance.bad luck
mishapA small piece of bad luck, like spilling your drink.minor accident
misinformTo give someone facts that are wrong.mislead
misplaceTo put something where you cannot find it later.lose
mobileAble to be moved around without trouble.movable
momentousHaving great weight and meaning for the future.hugely important
monarchA king or queen who rules a country.ruler
monologueA long talk given by only one person, as in a play.solo speech
monotonousBoring because it stays the same all the time.repetitive
monumentalOf great size or importance, like a giant statue.massive
morselA tiny piece of food.small bite
motionlessStaying completely still, like a statue.unmoving
mundaneDull and part of normal daily life.everyday
murkyDark and hard to see through, like muddy water.cloudy
mutterTo speak in a low voice that others cannot hear well.mumble
myriadA very large number of things, more than anyone could add up.countless
nestleTo settle into a warm, soft, comfortable spot.snuggle
nibbleTo eat in tiny amounts, a little at a time.take small bites
nomadA person with no fixed home who travels from place to place.wanderer
nonchalantCalm and not worried, acting as if nothing matters.casual
nonstopGoing on without any breaks or pauses.constant
noviceA person who is just starting to learn something.beginner
nudgeTo give a soft poke, like with an elbow.push gently
nutritiousFull of the things your body needs to grow and stay healthy.nourishing
obliviousNot noticing what is going on around you.unaware
obscureHidden away or understood by very few people.unknown
obtainTo come to have something by effort or asking.get
obviousVery easy to see or figure out.evident
omnivorousAble to live on both plants and meat.eating all foods
optimisticExpecting that good things will happen.hopeful
orchardA piece of land planted with rows of fruit trees.grove
ordinaryNormal, with nothing special about it.usual
outrageousSo wrong or unfair that it makes people angry.shocking
overwhelmTo be too much for someone or beat them with great force.overpower
palatableGood enough to eat and pleasing to the tongue.tasty
pantryA small room or cupboard where groceries are kept.food closet
partiallyOnly in part, not all the way.partly
peculiarDifferent from what is expected and hard to explain.strange
pedestrianA person who is out on foot, such as on a sidewalk.walker
peekTo glance quickly at something you are not supposed to see.take a secret look
permitTo let someone do something.allow
persevereTo keep trying even when it gets hard.persist
pesterTo keep bothering someone again and again until they are annoyed.nag
pinnacleThe very top, like the point of a mountain or the best moment of a career.peak
pliableEasy to bend or shape without snapping.flexible
plummetTo fall straight down very fast.drop sharply
plungeTo drop quickly into water or down from a height.dive
politeShowing good manners and respect to others.courteous
portableLight and small enough to be carried around easily.movable
postponeTo move an event to a later time than planned.delay
pounceTo spring at something and land on it to catch it.jump on suddenly
preambleAn opening part that comes before the main part of a speech or document.introduction
precariousNot steady, and likely to fall apart or go wrong.unstable
precautionA step you take ahead of time to avoid harm.safeguard
preciseCorrect in every small detail, with no mistakes.exact
predictTo say what will happen before it does.forecast
preliminaryComing before the main event and getting things ready for it.opening
prematureHappening sooner than it should or was expected.untimely
prevalentFound in many places or among many people.common
previewA chance to see something ahead of the public.early look
pricelessWorth so much that it cannot be bought with money.extremely valuable
pristineClean and fresh, as if no one had ever touched it.spotless
procrastinateTo keep putting off a job that you should do now.delay
profoundReaching far below the surface in meaning or feeling.deep
prohibitTo say that something must not be done, often by law or rule.forbid
promptDoing something right away and at the right time.punctual
prosperTo do very well and grow in wealth or success.thrive
prowlTo creep around softly and without noise, like a cat looking for food.move quietly while hunting
punyLacking size and strength.small and weak
purchaseTo get something by paying money for it.buy
quaintPleasing in an old-fashioned, unusual way.charming
rapidHappening or moving at a high speed.fast
rationA set amount of food given to each person when supplies are limited.portion
ravageTo wreck a place so that it is left in ruins.badly damage
rebuildTo put something together a second time after it fell apart.build again
recedeTo move away and become farther off, like water leaving a shore.retreat
recessA short time during the day when students can go play.break
reconsiderTo think about a choice a second time and maybe change it.rethink
recycleTo process old things like cans or paper into new items.reuse
refugeA place where you go to be safe from danger.haven
regalLooking or acting as if you belong to a king or queen.royal
reluctantSlow to act because you do not really want to do it.hesitant
remedySomething that makes an illness or problem go away.cure
remoteFar from towns and hard to get to.isolated
repairTo put something broken back in working order.fix
replyTo say or write something back after being asked.answer
resideTo have your home in a certain place.live
resilientQuick to bounce back after something hard happens.able to recover
restlessUnable to stay still or relax because you are bored or worried.fidgety
resurgenceA rise of something again after it had faded.comeback
retortTo answer right away with a sharp or clever reply.snap back
retrogradeHeading toward the rear instead of toward the front.moving backward
revealTo uncover something so people can see it.show
reviseTo go back over your work and make changes to improve it.rewrite
reviveTo bring something back to life, health, or strength.restore
ripeGrown enough to be picked and eaten.ready
rivalA person who tries to beat you in a contest.competitor
rummageTo search for something by messily moving things around.dig through
rusticPlain and simple, like life on a farm.country-style
salvageTo rescue something from being destroyed or thrown away.save
savorTo take pleasure in something fully, one little bit at a time.enjoy slowly
scamperTo run with quick, light steps, like a small animal.scurry
scarceHard to find because there is not much of it.rare
scavengeTo hunt among old or thrown-out things to find something useful.pick through
scenicHaving views that are lovely to look at.beautiful
scoffTo laugh at something in a way that shows you think it is silly.mock
scowlTo look at someone with your brows pulled down in anger.frown
scribbleTo write or draw fast in a messy, careless way.write messily
secedeTo formally leave a group or country and go off on your own.break away
secludedFar from other people and out of sight.isolated
seizeTo take hold of something quickly and tightly.grab
seldomNot very often.rarely
shelteredKept safe from bad weather or harm.protected
shoveTo press hard against someone or something with force, often rudely.push
shriekTo let out a high, sharp cry of fear or surprise.screech
shunTo keep away from a person or thing on purpose.avoid
silentMaking no sound at all.quiet
sincereMeaning what you say and not pretending.heartfelt
sipTo take a tiny taste of juice or tea, a little at a time.drink in small amounts
sketchTo make a quick, simple picture with a pencil or pen.draw roughly
skirmishA short fight between small groups.minor clash
sleekHaving a shiny, even surface with no bumps or roughness.smooth
smashTo break something into many pieces with a loud crash.shatter
smidgenA very small amount of something.tiny bit
snatchTo take something in a sudden, quick move.grab
soakedDripping and drenched all the way to the skin.wet through
solemnShowing deep and formal seriousness, with no joking.serious
solitaryBeing by yourself with no one else nearby.lone
sootheTo ease someone's worry, pain, or upset feelings.calm
sourWith a sharp taste, like lemon juice or unripe fruit.tart
sparseFew and far apart, with lots of gaps in between.thinly spread
speckA very small mark or bit of something, like dust.tiny dot
spectacleA scene or event that is amazing to see.display
spectatorA person who watches an event, such as a game.onlooker
spontaneousDone suddenly because you felt like it.unplanned
spotlessWithout a single stain or mark of dirt.perfectly clean
sprintTo run at top speed for a short distance.dash
staleDry and unpleasant because it has been sitting around too long.not fresh
stammerTo speak with pauses and repeated sounds because words will not come out smoothly.stutter
stareTo look at something steadily for a long time.gaze
stealthyMoving quietly and carefully so no one notices you.sneaky
stingyUnwilling to spend money or share what you have.tightfisted
strideTo move along with big, confident paces on foot, as if you know where you are going.walk with long steps
strutTo walk with big, proud steps to show off.swagger
stubbornRefusing to change your mind even when asked to.refusing to give in
studiousFond of learning and spending time on schoolwork.bookish
subterraneanLocated beneath the surface of the earth.underground
sulkTo stay quietly upset and grumpy because you did not get your way.pout
sullenQuiet and in a bad mood.glum
superbOf the highest quality and truly wonderful.excellent
superviseTo be in charge of people or work and make sure it goes well.oversee
surpassTo go beyond someone else and be better than they are.outdo
swarmA big group of insects or people all traveling together.large, moving crowd
swayTo lean gently one way and then the other, like a tree in wind.swing
swiftMoving at great speed.quick
synchronizeTo make things happen together at exactly the same moment.set to the same time
tameUsed to living near people instead of living free in nature.not wild
tatteredTorn and frayed from long, rough use.ragged
tediousSo long and dull that it tires you out.boring
teemingCrowded with lots of living things moving about.full of creatures
teeterTo sway back and forth as if about to fall over.wobble
tentativeNot final or sure, done with some doubt.not yet final
terrainThe shape and features of a piece of land, such as hills or rocks.ground
tingeA slight touch of a color or feeling.faint trace
tirelessWorking hard for a long while without slowing down or giving out.untiring
torrentialComing down hard and fast in huge amounts, like a storm.pouring
tossTo lightly send something through the air with your hand.throw
toweringRising far above everything around it.very tall
toxicAble to make a living thing sick or kill it.poisonous
tranquilCalm and still, with no noise or trouble.peaceful
transcendTo rise above a limit and go beyond it.go beyond
transformTo change something completely into something new.convert
transientStaying or lasting only a short while before moving on.temporary
transmitTo pass a message or signal from one place to another.send
transparentEasy to see through, like clean glass.clear
transportTo take people or goods from one place to another.carry
trickleA tiny stream of water that moves along bit by bit.thin, slow flow
triumphA great success after a struggle or contest.victory
trivialSmall and not worth much attention.unimportant
tugTo grab and give a hard, sudden yank.pull
turbulentFull of rough movement, violent change, and confusion.stormy
unbearableSo bad that you cannot stand it.intolerable
underestimateTo think something is smaller or weaker than it really is.undervalue
unfamiliarNot known to you because you have not met it before.strange
unifyTo bring separate things together as a whole.unite
unkindNot gentle or friendly toward other people.mean
unprecedentedNever having happened or been known before.never done before
unusualNot happening often or not like the others.odd
unwellFeeling sick or not in good health.ill
urbanHaving to do with towns and busy streets with many buildings.city
uselessNot able to do the job it was made for.unusable
utterlyTo the fullest degree, with nothing left out.totally
vagueNot stated clearly or with few details.unclear
vanishTo go out of sight suddenly and completely.disappear
vastStretching over a very wide space.enormous
venomousHaving a bite or sting that puts harmful liquid into another animal.able to inject poison
verdictThe official judgment made at the end of a trial.decision
verifyTo check that something is true or correct.confirm
versatileAble to be used in many different ways.all-purpose
veteranSomeone who has done a job or served in a war for many years.experienced person
vigorousDone with great strength and lots of force.energetic
villainThe bad person in a story who works against the hero.wrongdoer
vitalAbsolutely needed for life or success.essential
vocalQuick to share your opinions and not shy about it.outspoken
wadeTo step slowly in a shallow pond, a stream, or deep mud.walk through water
wanderTo walk around with no set goal or path.roam
waryOn guard because something might go wrong.watchful
wealthyHaving a lot of money or things of great value.rich
weatheredChanged in look by years of sun, wind, and rain.worn
weepTo let tears fall from your eyes because you are sad.cry
whimperA quiet, sad sound made by someone who is hurt or scared.soft, weak cry
whisperTo talk in a very low voice with just your breath.speak softly
wiltedHanging down and limp, like a plant that needs water.drooping
wilySmart and sneaky about getting what you want.sly
winceTo tighten your face for a moment because of pain or something unpleasant.flinch
worthlessHaving no use or price at all.valueless
yearnTo feel a deep, aching wish for something you do not have.long for
zealousFull of eager energy and passion for a cause.enthusiastic

For words your child half knows, see synonym strategies.