A knockout (abbreviated to KO or K.O.) is a fight-ending, winning criterion in several full-contact combat sports, such as boxing, kickboxing, Muay Thai, mixed martial arts, karate, some forms …

The meaning of KNOCKOUT is the act of knocking out : the condition of being knocked out. How to use knockout in a sentence.

3 days ago · The 2025 NBA Cup knockout rounds have been determined. Here's what to know before those games commence.

an act or instance of knocking out. the state or fact of being knocked out. a knockout blow. Informal., a person or thing overwhelmingly attractive, appealing, or successful.

knock•out (ˈnɒkˌaʊt) n. 1. an act or instance of knocking out. 2. the state or fact of being knocked out. 3. a knockout blow. 4. Informal. a person or thing overwhelmingly attractive, appealing, or …

knockout noun [C] (COMPETITION) (US elimination tournament) a competition in which only the winners of each stage play in the next stage, until one competitor or team is the final winner:

If you describe someone or something as a knockout, you think that they are extremely attractive or impressive.

a panel in a casing, can, or box, esp. of metal or plastic, so designed that it can readily be removed, as by punching, hammering, or cutting, to provide an opening into the interior: a …

Definition of knockout noun from the Oxford Advanced Learner's Dictionary. The match ended in knockout in the fifth round. Sanchez won by a second-round knockout. (informal) a person or …

• He may not have a knockout punch, but he does have good moves all the way to the bell. • It was a knockout punch of which Indurain, Hinault or Merckx would have been proud.