Words starting with U

Words that start with U

Upside-down unicorns under an ultramarine umbrella.

Photo of a unicorn.Animals
Adjectives that start with UAdjectives
Verbs that start with UVerbs
Countries that start with UCountries
Photo of an udderBody parts

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Unload

You unload something when you take the load or cargo out from inside it. The truck in the picture is unloading a pile of dirt.

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Unlock

Photo of a hand unlocking a door
Photo by Alan Cleaver
Attribution-Sharealike

You unlock something when you open a lock, usually by using a key.

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Unread

Photo of books
Photo by Ruth Ellison
Attribution-Sharealike

A book or any other piece of writing is unread if you have not read it. Once you have read a book, and then give it to someone else who hasn't read it, it becomes unread again to the new person.

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Unsafe

Photo of a man doing something unsafe
Photo by Jens Rost
Attribution-Sharealike

Something is unsafe if it has a high risk of danger. The man in the picture has chosen an unsafe way to reach the roof he is working on. Unsafe is the opposite of safe.

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Untucked

Photo of a man with his shirt untucked
Photo by sheila miguez
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Something is untucked if the loose edge of something is flapping and is not held in place. The man in the picture has his shirt untucked. Untucked is the opposite of tucked.

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Unusual

Something is unusual if it is not what you expect for something of that kind. Something unusual is not ordinary.
The person in the picture is wearing an unusual hat.

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Up

Photo of someone up a ladder
Photo by Sara. Nel
Attribution-Sharealike

Up is a direction. You go up when you go higher. The person in the picture has just climbed up the ladder and is now sitting at the top. The opposite of up is down.

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Uproot

A tree is uprooted when it falls down with its roots attached, like in the picture. Trees are usually uprooted by storms.

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Upset

Photo of an upset toddler
Photo by Bridget Coila
Attribution-Sharealike

You upset something when you disturb it. You can upset your stomach by eating bad food, or you can upset a pile of something by knocking it over.
But when most people say upset they mean to disturb someone's emotions, which often makes them sad and agitated. The child in the picture is upset.

Photo of a girl hanging upside down on a swing
Photo by Johnny Jet
Attribution-Sharealike

You are upside-down when your head is lower than your feet. You can go upside-down hanging from play equipment like monkey bars, or if an adult holds you up by your feet. The world looks different when you are upside-down.
When you turn anything else the wrong way up you say it is upside-down. Cats often lie upside-down with their legs in the air.