There are 2 definitions of KO in English:


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Entry from British & World English dictionary



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Word of the day dinkum
Pronunciation: ˈdɪŋkəm
(of an article or person) genuine, honest, true

There are 2 definitions of KO in English:


Syllabification: KO
Pronunciation: /ˌkāˈō
Boxing, informal


A knockout in a boxing match. See also kayo.

verb (KO's, KO'ing, KO'd)

[with object] Back to top  
Knock (an opponent) out in a boxing match.
More example sentences
  • Conn had KO'd his last four opponents, including heavyweights Buddy Knox and Gunnar Barlund, both in the 8th rounds.
  • It's sort of like when Buster Douglas KO'd Mike Tyson.
  • Those days may have ended when Mike Tyson got KO'd by Buster Douglas.


1920s: abbreviation.

Definition of KO in: