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

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 …

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 …

Definition of knockout noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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:

KNOCKOUT definition: an act or instance of knocking out. See examples of knockout used in a sentence.

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

Dec 20, 2025 · It took longer than many predicted, but Anthony Joshua finally hunted down Jake Paul, dropping him four times in a sixth-round knockout victory.

Dec 20, 2025 · Anthony Joshua beat Jake Paul with a sixth-round knockout in their heavyweight fight in Miami. Paul did better than many expected, surviving into the second half of the fight.

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 …