Words That Start With U for Kids

Popular U Words

All Words Starting With U

• uav – A UAV is a flying robot that can go in the sky without a person inside it.
• uglify – Uglify means to make something look ugly or not nice.
• uh-oh – "Uh-oh" is a sound we make when we realize something went wrong or when we are worried about something...
• umbrella – An umbrella is a tool that you use when it rains.
• unable – Unable means you are not able to do something.
• unacceptable – Unacceptable means something that is not okay or not allowed.
• unaccessible – Unaccessible means something you can't get to or reach.
• unaffected – Unaffected means not changed or not feeling anything.
• unalikeness – Unalikeness means that things are not the same.
• unaltering – Unaltering means something that doesn't change.
• unassuming – Unassuming means not trying to be the center of attention.
• unavoidable – Unavoidable means something that will definitely happen and you can't change it.
• unbox – Unbox is when you open a box to take out what is inside.
• unbreakable – Unbreakable means that something is very strong and won't break easily.
• unbuckle – Unbuckle is when you open or take off a buckle, like the one on your seatbelt.
• unbusy – Unbusy means not having a lot to do.
• unbutton – Unbutton means to open the buttons on your clothes.
• uncase – Uncase means to take something out of its case or cover.
• uncautious – Uncautious means not being careful.
• uncertain – Uncertain means you are not sure about something.
• unchallenging – Unchallenging means something that is easy to do.
• uncle – An uncle is a man who is the brother of your mom or dad.
• unclear – Unclear means that something is confusing or hard to understand.
• uncloak – Uncloak means to take off a cover or to show something that was hidden.
• uncomfortable – Uncomfortable is when something doesn't feel good.
• uncooked – Uncooked means food that hasn't been cooked.
• uncourteous – Uncourteous means not being nice or polite to others.
• uncover – Uncover means to remove something that is hiding or covering something else.
• uncurious – Uncurious means not wanting to know or learn about things.
• under – Under means being below something.
• underground – Underground is a place that is beneath the surface of the ground.
• underline – To underline means to draw a line under a word or sentence.
• underneath – Underneath means something is located below another thing.
• understand – To understand means to get what something means.
• understate – To 'understate' means to say something is less important or smaller than it really is.
• understood – Understood means you know something or you get it.
• undesirable – Undesirable means something that you don't want.
• undo – Undo means to go back and change something you did.
• undone – Undone means that something is not done or finished.
• undulate – Undulate means to move in waves, like how the ocean waves go up and down.
• unemployment – Unemployment means when people want to work but can't find a job.
• unending – Unending means something that doesn't have an end.
• unescapable – Unescapable means something you can't get away from.
• uneven – Uneven means something is not flat or not equal.
• unexpected – Unexpected is when something happens that you didn't think would happen.
• unexpectedly – Unexpectedly means something happens that you didn't think would happen.
• unfair – Unfair means when things are not equal or just.
• unfairness – Unfairness means when something is not right or not equal.
• unfamiliar – Unfamiliar means something that is new to you or that you haven't experienced before.
• unfasten – Unfasten means to undo something that is closed or held together.
• unfavorite – Unfavorite means something you don't like as much as other things.
• unfinished – Unfinished means that something is not complete.
• unfocus – Unfocus means not paying attention to something.
• unfold – Unfold means to take something that is folded and make it flat.
• unfollow – Unfollow means to stop watching or paying attention to someone on the internet, like on a social media app.
• unfortunate – Unfortunate means something bad happened that you didn't want.
• unfreeze – Unfreeze is when you take something that is frozen, like ice or food, and make it not frozen anymore.
• unfriend – Unfriend means to stop being friends with someone, especially on the internet.
• unfriendly – Unfriendly means someone who doesn't want to be nice or play with others.
• unhappy – Unhappy means you feel sad or not happy.
• unhealthy – Unhealthy means that something can hurt your body or make you feel bad.
• unheed – Unheed means not paying attention to something.
• unhelpful – Unhelpful means not helping or not being useful.
• unhindered – Unhindered means you can do something without anything stopping you.
• uniform – A uniform is a type of clothing that everyone wears to show they are part of a team or a group.
• uniforms – Uniforms are clothes that help people look like they belong to a group.
• unimaginable – Unimaginable is when something is so surprising or different that you can't picture it in your mind.
• unimportant – Unimportant means that something is not very important or doesn't really matter.
• unintended – Unintended means something that happens by mistake.
• unintentional – Unintentional means you didn't mean to do something.
• uninterested – Uninterested means you don't want to pay attention to something.
• unique – Unique means special or different from everything else.
• uniqueness – Uniqueness is what makes you, you!
• unit – A unit is a single part of a group.
• unite – Unite means to join together as one.
• universe – The universe is all the space that has everything in it, like stars, planets, and galaxies.
• unjuicy – Unjuicy means something that doesn't have a lot of juice in it, like a dry piece of fruit.
• unjust – Unjust means something that is not fair.
• unknown – Unknown means something that we don't have information about.
• unlawful – Unlawful means something that is not allowed by the rules or laws.
• unleash – Unleash means to let something go free.
• unlikely – Unlikely means something that probably won't happen.
• unlimited – Unlimited means you can have as much as you want, like when you can eat all the ice cream you like without...
• unlock – Unlock means to make something that is locked open.
• unlucky – Unlucky is when something bad happens that you didn't want.
• unnatural – Unnatural means something that is not normal or not how things usually are.
• unnecessary – Unnecessary means something that is not needed.
• unofficial – Unofficial means something that is not officially recognized or approved.
• unpack – Unpack means to remove items from a container, like a suitcase or a box.
• unparalleled – Unparalleled means something that is the best and there is nothing like it.
• unplanned – Unplanned means something that you didn't plan or think about ahead of time.
• unpoisonous – Unpoisonous means something is safe and won't make you sick.
• unpossible – Unpossible means something that cannot happen or is not possible.
• unprepared – Unprepared means not ready for something.
• unprotected – Unprotected means not safe or not having something to keep you safe.
• unquestionable – Unquestionable means something that is very clear and you can't doubt it.
• unready – Unready means not ready.
• unreliable – Unreliable means you can't always trust something or someone to do what they are supposed to do.
• unrightful – Unrightful means something that is not fair or not right.
• unripe – Unripe means that something, like a fruit, is not fully grown or ready to eat.
• unsafe – Unsafe means that something might be dangerous or could cause you to get hurt.
• unseal – Unseal means to open something that was closed or sealed.
• unsteady – Unsteady means something is not stable or is moving around a lot.
• unstressed – Unstressed means not feeling worried or scared.
• unsuccessful – Unsuccessful means not getting what you wanted.
• unsuitable – Unsuitable means something that is not right or good for a certain purpose.
• unsupportive – Unsupportive means not helping or cheering someone on.
• untangle – Untangle means to take something that is tangled or knotted and make it neat again.
• unthankful – Unthankful means not saying thank you when someone does something nice for you.
• unthinkable – Unthinkable means something that is so surprising or strange that you can't even imagine it happening.
• untidy – Untidy means that something is not clean or organized.
• untie – Untie means to loosen or take off something that is tied.
• untighten – Untighten means to make something less tight.
• untrue – Untrue means something that is not correct or not real.
• untrustworthy – Untrustworthy means you can't believe what someone says or does.
• untruthful – Untruthful means not telling the truth.
• unusual – Unusual means something that is not common or happens rarely.
• unveil – Unveil means to show something for the first time.
• unwell – Unwell means you are not feeling healthy.
• unwise – Unwise means not making good choices.
• unwrap – Unwrap means to remove the wrapping or cover from something.
• unyielding – Unyielding means not giving up or changing your mind.
• unzip – Unzip means to open something that is closed, like a bag or a zipper on your jacket.
• up – "Up" means to go to a higher position.
• upcoming – Upcoming means something that is going to happen in the near future, like a movie that will be released...
• upfront – Upfront means being honest and telling the truth right away.
• uphold – Uphold means to support or keep something strong.
• uplift – Uplift means to help someone feel good or to make something better.
• upset – Upset means you feel unhappy or mad about something.
• upstairs – Upstairs is the area in a building that is higher than where you walk in.
• upstream – Upstream means going against the flow of water in a river.
• upsy-daisy – Upsy-daisy is a silly word we say when someone falls down or makes a little mistake.
• upward – Upward means moving to a higher place.
• upwards – Upwards means moving to a higher place.
• upwind – Upwind means the direction the wind is coming from.
• usage – Usage means how we use something.
• use – To use means to take something and make it work for you.
• useful – Useful is when something can help you do things better or faster, like a tool or a toy that helps you learn.
• usual – Usual means something that is normal or happens regularly.
• usually – Usually means something that happens regularly or often.
• utensil – Utensils are tools we use in the kitchen.
• utensils – Utensils are special tools we use in the kitchen.
• utilize – Utilize means to use something in a helpful way.
• utter – Utter means to say something.