Children's Illustrated Dictionary.

a b c d e f g h i j k l m n o p q r s t u v w x y z

unwrap
unwraps unwrapping
unwrapped verb

to take the wrapping or
covering off something.

She unwrapped her present.
N say un-rap
N opposite wrap

up
preposition
toward a higher position.
I walked up the hill to
the house at the top.
N opposite down

up
adverb
to or in a higher position.
Stand up!
N opposite down

upright
adverb
sitting or
standing up
straight
rather than
bent over.

The dog stood
upright on its
hind legs.
N say up-rite
upright adjective

uproar
noun
a state of noisy activity.
The crowd was in an uproar.

upset

upsets upsetting upset verb

1 to make someone sad

or anxious.

The accident upset him.

2 to knock something over.

The cat upset the vase

of flowers.

upset adjective

upside down

adverb

with the top part

underneath,

or turned the

wrong way up.

He hung upside down from

the bar.

upside-down adjective

upstairs

adverb

to or on an upper story.

The lights are on upstairs.

N opposite downstairs

upstairs adjective

upward

adverb

toward

a higher

position.

She let go and the balloons

drifted upward.

N opposite downward

uranium

noun

a silvery white,

radioactive

metal used

for producing

nuclear energy.

N say yoo-ray-nee-um

urge

urges urging urged verb

to try to persuade

someone to do something.

He urged them to be careful

when playing by the river.

N say urj

urge

urges noun

a powerful feeling that

makes you want to

do something.

A sudden urge to sneeze.

urgent

adjective

needing immediate action

or attention.

An urgent message.

N say ur-junt

urgently adverb

urine

noun

liquid waste from the body.

N say yoor-in

use

uses using used verb

to put something into action.

The cat uses a cat flap to come

in and go out of the house.

N say yooz

use

uses noun

1 the value

of something

for a certain

purpose.

This penknife has many uses.

2 the state of being used.

Steam trains are still in use

in some areas.

N say yoos

useful

adjective

able to be used for all kinds

of tasks, or

good for a

certain task.

This gadget is useful for

unscrewing lids.

N say yoose-ful

N opposite useless

usefully adverb

usual

adjective

most often done or seen.

I left work at the usual time.

N say yoo-zhoo-ul

usually adverb

utensil

utensils noun

a tool used for a particular

job, especially one used in

the kitchen.

A whisk is a kitchen utensil.

N say yoo-ten-sul

utensil