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ENGLISH · A WORD WITH POSSIBILITIES

blackout.

A temporary loss of consciousness.

8 characters2 syllables approx.English language

Meaning & usage

noun/ˈblæk.aʊt/US/ˈblæk.ʌʊt/
  1. A temporary loss of consciousness.

    countable · uncountable
  2. A temporary loss of memory.

    countable · uncountable
  3. A large-scale power failure, and resulting loss of electricity to consumers.

    countable · uncountable
  4. An instance of censorship, especially a temporary one.

    countable · uncountable
    media blackout
  5. An intentional outage of a website or other online service, typically as a form of protest.

    Internet · countable · uncountable
    the 2012 English Wikipedia blackout
  6. The mandatory blocking of all light emanating from buildings, as well as outdoor and street lighting as a measure against aerial bombing or naval attack, as imposed during, e.g., World War II.

    countable · historical · uncountable
  7. The blocking out of as much light as possible.

    attributive · countable · uncountable
    blackout blinds; blackout curtains
  8. A mass murder committed, usually in an urban area, to eliminate potential witnesses of a previous crime.

    countable · rare · slang · uncountable
Where this word comes from

Deverbal from black out.

verb/ˈblæk.aʊt/US/ˈblæk.ʌʊt/
  1. Alternative form of black out.

    alt-of · alternative · nonstandard
Where this word comes from

Deverbal from black out.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.