blackout

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blackout

  • /ˈblæk.aʊt/ US
  • /ˈblæk.ʌʊt/

Where it comes from

Deverbal from black out.

noun blackouts · black-out

  1. countable, uncountable A temporary loss of consciousness.

    Similar: blankout, faint, syncope

  2. countable, uncountable A temporary loss of memory. “I mean, what is she even talking about? Got her pregnant at the Halloween party? What does that mean? I don't even remember that party. I was wasted.” “Yeah, me too. I browned out that evening.” “"browned out"? What's "browned out"?” “Oh, it's when you drink so much that everything goes brown. It's

    Similar: blankout

  3. countable, uncountable A large-scale power failure, and resulting loss of electricity to consumers. The repairs at the Koeberg Power Station in the Western Cape were on schedule for completion in the third week of May. This follows huge blackouts related to the problems at the power supplier since November.

    Similar: power cut, outage

  4. countable, uncountable An instance of censorship, especially a temporary one. media blackout
  5. Internet, countable, uncountable An intentional outage of a website or other online service, typically as a form of protest. the 2012 English Wikipedia blackout
  6. countable, historical, uncountable 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. In co-operation with the Government departments, the British railway companies prepared their stations, offices, docks, hotels, trains, and other premises for the necessary blackout of lighting that it was realised would be required in a state of emergency, and in the case of the experimental volunt
  7. attributive, countable, uncountable The blocking out of as much light as possible. blackout blinds; blackout curtains
  8. countable, rare, slang, uncountable A mass murder committed, usually in an urban area, to eliminate potential witnesses of a previous crime.

verb blackouts · blackouting · blackouted · black-out

  1. alternative, nonstandard Alternative form of black out Scouts assisted Mabel Smythe Building officials in blackouting windows.

Thesaurus

Closest in meaning: amnesia, brownout, dimout, memory loss, darkness, fainting, halt, breakdown, break, halting, disruption, discontinued, disruptive, discontinuity, hiatus, interruption

Translations

Every language

noun a temporary loss of consciousness

Españoldesmayo
Portuguêsdesmaio
Françaisblackout
Italianosvenimento, mancamento, deliquio, lipotimia
Ελληνικάλιποθυμία lipothymía, σκοτοδίνη skotodíni
Русскийзате́мнение созна́ния zatémnenije soznánija
العربيةغَشْيَة ḡašya

noun a temporary loss of memory

Españolapagón
Portuguêsbranca
Françaisblackout, trou de mémoire
DeutschBlackout, Erinnerungsverlust, Filmriss
Ελληνικάσυσκότιση syskótisi, απώλεια μνήμης apóleia mnímis
Русскийпрова́л па́мяти provál pámjati

noun a large-scale power failure

Españolapagón
한국어정전 jeongjeon
日本語停電 teiden, ブラックアウト burakkuauto
中文停電 /停电 tíngdiàn, 斷電 /断电 duàndiàn
Portuguêsblecaute, apagão
Françaisblackout, coupure de courant
DeutschStromausfall, Blackout
Italianoblackout
Ελληνικάδιακοπή ηλεκτρικού ρεύματος diakopí ilektrikoú révmatos
Русскийблэка́ут blɛkáut, систе́мная ава́рия sistémnaja avárija
Tiếng Việtcúp điện, mất điện

noun the mandatory blinding of all light

Españolcorte
中文暗轉 /暗转 ànzhuǎn
Portuguêsblecaute
Françaisblackout
Italianooscuramento
Ελληνικάσυσκότιση syskótisi
Русскийзатемне́ние zatemnénije, светомаскиро́вка svetomaskiróvka
العربيةتَعْتِيم taʕtīm

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Cite this
MLA

"blackout." Wiktionary, via Micwyn, micwyn.com/word/blackout. Accessed 6 Nov. 2026.

APA

blackout. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/blackout

Chicago

"blackout." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/blackout.

BibTeX
@misc{blackout_2026,
  title = {blackout},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/blackout},
  urldate = {2026-11-06}
}