KO

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

Definition of KO

 (Entry 1 of 2)

KO

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

knysna boxwood

KO

koa

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Cite this Entry

“KO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/KO. Accessed 28 Jul. 2021.

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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

Thesaurus: All synonyms and antonyms for KO

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