knockout

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knockout

  • /ˈnɒk.aʊt/ UK
  • /ˈnɑk.oʊt/ US

Where it comes from

Deverbal from knock out.

noun knockouts · knock-out

  1. The act of making one unconscious, or at least unable to come back on one's feet within a certain period of time; a TKO. The boxer scored a knockout on his opponent.
  2. The deactivation of anything. Pull the plug on a node to see how the network handles a node knockout.
  3. informal Something wildly popular, entertaining, or funny. If you've ever had a sack race, you know it's a real knockout for kids and adults alike.
  4. informal A very attractive person, especially a beautiful woman. “There’s a girl wants to see you. Her name’s Wonderly.” “A customer?” “I guess so. You’ll want to see her anyway: she’s a knockout.”

    Similar: stunner

  5. A partially punched opening meant for optional later removal. They left a knockout in the panel for running extra wires someday.
  6. The deactivation of a particular gene.
  7. A creature engineered with a particular gene deactivated.
  8. An event where a foreground color causes a background color not to print.
  9. A tournament in which a team or player must beat the opponent in order to progress to the next round. the knockout stages of the competition
  10. uncountable A simple game for two or more players, derived from basketball.
  11. US, capitalized A woman in Total Nonstop Action Wrestling.
  12. abbreviation, ellipsis Ellipsis of knockout auction

adjective knock-out

  1. not comparable Rendering someone unconscious. He delivered a knockout blow.
  2. not comparable Amazing; gorgeous; beautiful. You should have seen her knockout eyes.
  3. not comparable Designating an organism in which a particular gene has been removed or deactivated. The result is a so-called knockout mouse, reared with a single gene silenced, the better to reveal that gene's true purpose.
  4. not comparable Causing elimination from a competition. Rodolph Austin delivered the knockout blow from close range 20 minutes from time, after Aidan White had given Leeds a dream start after four minutes.

Thesaurus

Closest in meaning: smasher, mantrap, stunner, severe, hard, strong, looker, beauty, lulu, sweetheart, dish, ko, peach, blow, peek, glance

Translations

Every language

noun act of making someone unconscious

Españolnocaut
한국어녹아웃 nogaut
日本語ノックアウト nokkuauto
Portuguêsnocaute
FrançaisKO, knock-out
Русскийнока́ут nokáut
Tiếng Việtnốc ao, đo ván

adj Rendering someone unconscious

Françaisincapacitant, assommant
Italianoincosciente

adj Stunning; amazing; gorgeous

Españoldespampanante
Portuguêslindo, deslumbrante
Русскийсногсшиба́тельный snogsšibátelʹnyj

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Cite this
MLA

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

APA

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

Chicago

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

BibTeX
@misc{knockout_2026,
  title = {knockout},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/knockout},
  urldate = {2026-11-06}
}