KO

noun
\ (ˌ)kā-ˈō How to pronounce KO (audio) , ˈkā-(ˌ)ō \

Definition of KO

 (Entry 1 of 2)

KO

verb
KO'd\ kā-​ˈōd How to pronounce KO'd (audio) , ˈkā-​(ˌ)ōd \; KO'ing\ kā-​ˈō-​iŋ How to pronounce KO'ing (audio) , ˈkā-​(ˌ)ō-​iŋ \

Definition of KO (Entry 2 of 2)

transitive verb

: to knock out (as in boxing)

Examples of KO in a Sentence

Noun He scored a KO in the second round. Verb He was KO'd in the second round.

First Known Use of KO

Noun

1911, in the meaning defined above

Verb

1926, in the meaning defined above

History and Etymology for KO

Noun

knock out

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Cite this Entry

“KO.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/KO. Accessed 6 December 2019.

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More Definitions for KO

KO

verb

English Language Learners Definition of KO

boxing : to knock (an opponent) out

More from Merriam-Webster on KO

Rhyming Dictionary: Words that rhyme with KO

Spanish Central: Translation of KO

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