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.

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 as a knockout, you think that they are extremely attractive or impressive.

3 days ago · knockout (plural knockouts) 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.

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

Get started with knockout.js quickly, learning to build single-page applications, custom bindings and more with these interactive tutorials.

In boxing, a knockout is a situation in which a boxer wins the fight by making his or her opponent fall to the ground and be unable to stand up before the referee has counted to ten.

Dec 20, 2025 · Jake Paul stepped into the ring with a quality boxer and it showed. The main event fight officially came to an end when former heavyweight champion Anthony Joshua knocked …