black out

verb

To censor or cover up by writing over with black ink.

Similar

Meanings

verbblack out (third-person singular simple present blacks out, present participle blacking out, simple past and past participle blacked out)

present singular third person blacks out · participle present blacking out · participle past blacked out · past blacked out

  1. idiomatictransitiveTo censor or cover up by writing over with black ink.
    1 more example

    Seigel was able to send two post cards home in 44 months via the Red Cross. The first one was completely blacked out by the Japanese censor's pen. The second one he sent, Seigel wrote that he weighed his "usual weight of 130". Seigel's usual weight was 230 so the family could see that he had been severely starved while in captivity. Seigel had at least triumphed over the Japanese censor and his black pen.

    2006, Calton Lewis, Wake Island: The Story of a Civilian Pow at Niigata, Japan 1941-1945
  2. figurativelytransitiveTo censor or cover up.

    I have blacked out your television, every station in the world is mine.

    1979, Chris de Burgh, “The Devil's Eye”, in Crusader
    1 more example

    At times, README.txt is vague; some sections have been blacked out, presumably on legal advice.

    2022 October 27, Simon Parkin, “README.txt by Chelsea Manning review – secrets and spies”, in The Guardian, →ISSN, archived from the original on 16 Feb 2023
  3. intransitiveTo lose consciousness; to suffer a blackout.

    I am blacking out—ease the stick forward slightly—the sky is clear again—I turn out over water—reverse turn—there are antiaircraft on the island below—I reverse again—and again.

    1944 June 3, Charles A. Lindbergh, The Wartime Journals of Charles A. Lindbergh, New York: Harcourt Brace Jovanovich, published 1970, page 839
    1 more example

    And they were not surprised when Tang Ya reeled into the mess, his face livid and drawn with pain. Rip and Dane got him to his cabin before he blacked out. But all they could learn from him during the interval before he lost consciousness was that his head was bursting and he couldn't stand it. Over his limp body they stared at one another bleakly.

    1956, Andre Norton, Plague Ship

    Synonyms: faint, pass out · Antonyms: black in, come to

  4. transitiveTo cause (someone) to lose consciousness.
  5. transitiveTo obscure in darkness.

    The Venetian blinds and the drapes, she thought, would completely black out the room from the ocean side.

    1943 May 10, “Press Serial Story: Girl In A Blackout”, in Pittsburgh Press
    2 more examples

    Bleak darkness was blacking out the sea and jungle when Rainsford sighted the lights. He came upon them as he turned a crook in the coast line; and his first thought was that be had come upon a village, for there were many lights.

    1924, Richard Connell, The Most Dangerous Game

    Nanny Broome was looking up at the outer wall. Just under the ceiling there were three lunette windows, heavily barred and blacked out in the normal way by centuries of grime.

    1963, Margery Allingham, chapter 14, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC

    Synonyms: darken

  6. intransitiveTo be in a state of blackout, as a building, a city, a ship.

    The countryside blacked out to avoid helping enemy aircraft.

Synonyms & antonyms

verbTo lose consciousness; to suffer a blackout.

verbTo obscure in darkness.

Similar

More synonyms by meaning

verbdarken completely

Similar
blacken out
Broader

verblose consciousness due to a sudden trauma, for example

Broader
change stateturn

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Czech zatemnit
  • zatemnitmake dark
Dutch flauwvallen, verduisteren
  • flauwvallenlose consciousness
  • verduisterenmake dark
French noircir, caviarder
  • noircirto cover with black ink
  • caviarderto cover with black ink
  • perdre connaissancelose consciousness
  • s'évanouirlose consciousness
  • tourner de l'œillose consciousness
  • tomber dans les pommeslose consciousness
  • assombrirmake dark
  • obscurcirmake dark
German schwärzen
  • schwärzento cover with black ink
Greek διαγράφω, μαυρίζω
  • διαγράφω (diagráfo)to cover with black ink
  • μαυρίζω (mavrízo)to cover with black ink
  • λιποθυμώ (lipothymó)lose consciousness
  • συσκοτίζω (syskotízo)make dark
Scottish Gaelic dubh às
  • dubh àsmake dark
Cite this entry
APA

black out. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/black%20out

MLA

“black out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/black%20out. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “black out,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/black%20out.

Source: black out on Wiktionary, CC BY-SA 4.0.