Oxford Basic American Dictionary

—ANTONYM wrap

un • zip / |An ' zip / verb ( un - zips , un - zip - ping , un - zip - ped )

to open a piece of clothing, a bag, etc. by pulling the long thing that fastens it (the zipper )

up ©/ Ap / preposition, adverb

in or to a higher place

We climbed up the mountain.

Put your hand up if you know the answer.

—ANTONYM down

from sitting or lying to standing Stand up , please.

What time do you get up (= out of bed ) ?

"Is Joe up (= out of bed ) ?" "No, he's still asleep."

to the place where someone or something is She came up to me and asked me the time.

a word we use to show an increase in something Prices are going up .

Please turn the radio up — I can't hear it.

—ANTONYM down

into pieces Cut the meat up .

so that it is finished

Eat up — it's time to go to school now.

in a certain direction

She lives up the street from us. —ANTONYM down be up to someone

to be the person who should do or decide something "What do you want to do tonight?" "I don't care. It's up to you." up to

as far as; until

Up to now, she has worked very hard.

as much or as many as

Up to 300 people came to the meeting.

doing something, especially something bad What is that man up to?

up • bring • ing / ' Apbrigig / noun [ singular ]

the way that you are treated and taught to behave by your parents

He had a very religious upbringing. The verb is bring someone up .

up • date / |Ap ' deit / verb ( up - dates , up dat - ing , up - dat ed )

to make something more modern or add new things to it The information on our website is updated every week.

up • date / ' Apdeit / noun [ count ]

an update on a news story (= the latest information )

up • grade / |Ap ' greid / verb ( up - grades , up grad - ing , up - grad ed )

to change something so that it is better I just upgraded my home computer.

up • grade / ' Apgreid / noun [ count ] to install an upgrade

up • hill / |Ap ' hil / adverb

going up, toward the top of a hill I have to ride my bike uphill to get to school.

—ANTONYM downhill

up • hol • ster • y / э ' poulstari / noun [ noncount ]

the thick, soft material that is used to cover chairs, car seats, etc.

up • load / ' Aploud / verb ( up - loads , up - load - ing , up load - ed )

( COMPUTERS ) to copy a computer file from a small computer system to a larger one

—Look at download .

up • on / э 'pan / preposition ( formal )

on

The decision was based upon the doctor's evidence.

Up .per © / Чрэг/ adjective

in a higher place than something else the upper lip —ANTONYM lower

up • per • case / |Apar' keis / ( also up - per case ) noun [ noncount ]

( ENGLISH LANGUAGE ARTS ) the large form of letters, for example A, B, C (not a, b, c)

NATO is written in uppercase. —ANTONYM lowercase

the up • per class / 6i |Apar 'klas / noun

[ singular ]

the group of people in a society with the highest social position, who have more money and power than other people

up • per-class / |Apar ' klas / adjective

an upper-class accent

Look at the middle class , the working class .

up • right / ' Aprait / adjective, adverb

standing straight up, not lying down Put the ladder upright against the wall.

up • ris • ing / ' Apraizig / noun [ count ]

( POLITICS ) a situation in which a group of people start to fight against the government in their country