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 of taekwondo …

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.

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 successful.

Players can knock each other' s basketballs with their own ball. This can only be done when the ball is in the air (not in another player's hands) and ALL players agree to this rule before playing.

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Join 2M+ fight fans on Instagram and catch every highlight, every knockout, and every viral moment first. You #1 place to watch best Knockout videos!

Apr 8, 2026 · Noun 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.

3 days ago · That's not unlike what we mean when we refer to a gene knockout, where the goal is to make a gene completely nonfunctional. The simplest way to create a complete gene knockout is to …