• (British) IPA: /ˈnɒkaʊt/

knockout (plural knockouts)

  1. The act of making someone unconscious, or at least unable to come back on their feet within a certain period of time; a TKO.
    The boxer scored a knockout on his opponent.
  2. The deactivation of anything.
    • 1989, Network World (6 February 1989, page 82)
      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.
    • 1995, Rhonda K. Reinholtz et al., "Sexual Discourse and Sexual Intercourse ↗," in P. J. Kalbfleisch and M. J. Cody, eds., Gender, Power, and Communications in Human Relationships, p. 150,
      Phrases such as "she bowled me over," "she's striking," and "she's a knockout" suggest that the woman affects the man in ways he cannot mediate or control.
  5. A partially punched opening meant for optional later removal.
    They left a knockout in the panel for running extra wires someday.
  6. (genetics) The deactivation of a particular gene.
  7. (genetics) A creature engineered with a particular gene deactivated.
  8. (printing) An event where a foreground color causes a background color not to print.
  9. (sports) 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. A knockout auction.
  • Portuguese: nocaute
  • Russian: нока́ут

knockout (not comparable)

  1. Rendering someone unconscious.
    He delivered a knockout blow.
  2. Amazing; gorgeous; beautiful.
    You should have seen her knockout eyes.
  3. (genetics) Designating an organism in which a particular gene has been removed or deactivated.
    • 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 255:
      The result is a so-called knockout mouse, reared with a single gene silenced, the better to reveal that gene's true purpose.
  4. Causing elimination from a competition
    • 2012, Ben Smith, Leeds United 2-1 Everton
      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.
  • Portuguese: impressionante
  • Russian: сногсшиба́тельный
  • Spanish: despampanante
Related terms

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.002
Offline English dictionary