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  1. Knockout - Wikipedia

    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 …

  2. KO Definition & Meaning - Merriam-Webster

    The meaning of KO is knockout. How to use KO in a sentence.

  3. KO - Definition by AcronymFinder

    What does KO stand for? KO abbreviation. Define KO at AcronymFinder.com.

  4. KO | English meaning - Cambridge Dictionary

    KO definition: 1. to make someone unconscious, especially in boxing 2. to make someone feel very weak, tired, and…. Learn more.

  5. KO definition and meaning | Collins English Dictionary

    KO is an abbreviation for knockout. 34 of his wins were KO's. To KO someone means to hit them so hard that they become unconscious. He KO'd Nathan Mann in the third round. [VERB noun] …

  6. KO Definition & Meaning | Dictionary.com

    KO definition: a knockout in boxing. See examples of KO used in a sentence.

  7. KO - definition of KO by The Free Dictionary

    KO (n. ˈkeɪˈoʊ, ˈkeɪˌoʊ; v. ˈkeɪˈoʊ) n., pl. KOs or KO's, n. 1. a knockout in boxing.

  8. What Does KO Stand For? All KO Meanings Explained

    KO commonly stands for Knock Out, a term frequently used in combat sports to describe a scenario where a competitor is rendered unable to continue due to a decisive strike.

  9. What does KO stand for? - Abbreviations.com

    Looking for the definition of KO? Find out what is the full meaning of KO on Abbreviations.com! 'Korean' is one option -- get in to view more @ The Web's largest and most authoritative …

  10. KO - What does KO mean in combat? - Slang.net

    Mar 18, 2025 · KO is a common abbreviation used primarily in combat sports like boxing, mixed martial arts (MMA), and kickboxing. A KO occurs when a fighter is rendered unconscious or …