Dictionary

blackout

noun black·out \ˈblak-ˌat\

: a period when lights are kept off or are hidden from view to guard against enemy airplane attack in a war

: a period when lights are off because of an electrical power failure

: a sudden and temporary loss of consciousness, vision, or memory

Full Definition of BLACKOUT

1
a :  a turning off of the stage lighting to separate scenes in a play or end a play or skit; also :  a skit that ends with a blackout
b :  a period of darkness enforced as a precaution against air raids
c :  a period of darkness (as in a city) caused by a failure of electrical power
2
:  a transient dulling or loss of vision, consciousness, or memory <an alcoholic blackout>
3
a :  a wiping out :  obliteration
b :  a blotting out by censorship :  suppression <a news blackout>
4
:  a usually temporary loss of a radio signal
5
:  the prohibition or restriction of the telecasting of a sports event
6
:  a time during which a special commercial offer (as of tickets) is not valid —usually used attributively <blackout dates>
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First Known Use of BLACKOUT

1913

Rhymes with BLACKOUT

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BLACKOUT Defined for Kids

blackout

noun black·out \ˈblak-ˌat\

Definition of BLACKOUT for Kids

1
:  a period of darkness enforced as a protection against enemy attack by airplanes during a war
2
:  a period of darkness caused by power failure
3
:  a temporary loss of vision or consciousness
Medical Dictionary

blackout

noun black·out \ˈblak-ˌat\

Medical Definition of BLACKOUT

:  a transient dulling or loss of vision, consciousness, or memory <an alcoholic blackout>—compare grayout, redout

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2 ENTRIES FOUND:
Next Word in the Dictionary: black outPrevious Word in the Dictionary: black–or–whiteAll Words Near: blackout
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