Definition of knockout in English:

Share this entry


Pronunciation: /ˈnäkˌout/


1An act of knocking someone out, especially in boxing: [as modifier]: a knockout blow
More example sentences
  • Lewis, who has not fought since his eighth-round knockout of Mike Tyson last June, insists he will be ready.
  • Calderon focused more on movement and avoiding a knockout punch, and did not mount the same body attack he had previously.
  • Had Ali fought anyone except Joe Frazier that night, he would have been a knockout winner.
KO, finishing blow, coup de grâce, stunning blow, kayo, TKO, technical knockout
1.1 informal An extremely attractive or impressive person or thing: he must have been a knockout when he was young
More example sentences
  • The service remains professional, quick and highly knowledgeable, but the menu seems less sexy and, while the dishes are interesting, there are few real knockouts.
  • It's definitely not an attractive look for a supposedly irresistible knockout, even though she has the necessary figure.
  • When he was voted Sexiest Man Alive earlier this year, People magazine gushed: ‘Suave and sophisticated, caring and kind, he's also a total knockout - and a one-woman man.
beauty, babe, bombshell, vision, dream, hottie, dish, looker, eye-catcher, peach, heartthrob, fox, arm candy
masterpiece, sensation, marvel, wonder, triumph, success, feat, coup, master stroke, tour de force
informal humdinger, doozy, stunner
1.2British A tournament in which the loser in each round is eliminated.
Example sentences
  • The men will be split into four pools of four with the top two from each group going through to the quarter-finals, from where it will be a straight knockout tournament.
  • Not until this tournament gets to the knockout quarter-final stages will the real competition get under way.
  • This summer, Europe's top clubs have strengthened their sides in a way that should pay dividends when the crucial knockout matches come round in late-February and March.

Words that rhyme with knockout


For editors and proofreaders

Syllabification: knock·out

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.