Oxford Basic American Dictionary

un • com • mon / An ' kaman / adjective

not usual

This tree is uncommon in America. —SYNONYM rare —ANTONYM common

un .СОП .scious Ф/ AiVkanjos/ adjective

If you are unconscious , you are in a kind of sleep and you do not know what is happening

She hit her head, and was unconscious for three days.

If you are unconscious of something, you do not know about it

ly / An ' kan/ssli / adverb

ness / An ' kan/ssnss / noun

AWL

/ | Anksn vinst /

|An|kauntsbl

Mike seemed unconscious that I was watching him. —ANTONYM conscious

un • con • scious

un • con • scious

[noncount]

She slipped into unconsciousness.

un • con • sti • tu • tion • al

/ |Ankansts ' tu/nl / adjective

( POLITICS ) not allowed by the basic laws or rules (the constitution ) of a country or organization

un • con • trol • la • ble / |Anksn' troulsbl /

adjective

If a feeling is uncontrollable , you cannot control or stop it

I suddenly got an uncontrollable urge to sneeze.

un • con • trol • la • bly / |Anksn ' troulsbli / adverb He started laughing uncontrollably.

un • con • ven • tion • al awl

/ |Anksn' venfsnl / adjective

not following what is considered normal or acceptable by most people

She dresses in a very unconventional way. —ANTONYM conventional

un • con • vinced

adjective

not believing or not certain that something is true She seemed unconvinced by their promises.

—ANTONYM convinced un • cool / |An' kul / adjective ( informal )

not considered acceptable or fashionable I'm not wearing those shoes — they're so uncool.

—ANTONYM cool

un • count • a • ble noun

' naun / noun [ count ]

( ENGLISH LANGUAGE ARTS ) another word for noncount noun

un • cov • er / An ' kAvsr / verb ( un -cov-ers ,un - cov er- ing ,un cov - ered )

to take something from on top of another thing Uncover the pan and cook the soup for 30 minutes.

—ANTONYM cover

to find out something that was secret Police uncovered a plot to steal the painting.

un • de • ni •a • ble Iaw / |Andi ' naisbl /

adjective

clear, true, or certain

It is undeniable that girls mature faster than boys. un .der © / ' Andsr / preposition, adverb

1 in or to a place that is lower than or below something

The cat is under the table.

We sailed under the bridge.

The boat filled with water, then went under.

less than something

If you are under 16, you are not allowed to drive a car.

covered by something I'm wearing a T-shirt under my sweater.

—SYNONYM underneath

controlled by someone or something The team is playing well under the new captain.

in a particular state or condition The building is still under construction (= being built ) . Prefix

under-

( in nouns and adjectives ) below under water

under wear (= clothes that you wear under your other clothes )

( in nouns ) lower in age, level, or position an under graduate

( in adjectives and verbs ) not enough under cooked under paid

un • der • age / |Andsr' eid3 / adjective

too young to be allowed by law to do something underage drinking

un • der • cov • er / |Andsr' kAvsr / adjective

working or happening secretly an undercover detective

un • der • dog / ' Andsrdog / noun [ count ]

a person, team, etc. that is weaker than the others, and is not expected to be successful

The underdogs scored at the last minute and won the game.

un • der • es • ti • mate awl

/ |Andsr'estsmeit / verb ( un der es ti mates , un der - es - ti mat - ing , un - der - es - ti - mat - ed )