English version

KO

From Longman Dictionary of Contemporary EnglishKOKO1 /ˌkeɪ ˈəʊ $ -ˈoʊ/  the abbreviation of knockout
Examples from the Corpus
KODusseldorf remains the capital of mindless extravagance; ostentation rules the KO.The opponents wanted to deliver a KO, but it backfired on them.
KOKO2 verb (past tense and past participle KO’d, third person singular KO’s, present participle KO'ing) [transitive] informal  to hit someone so hard that they become unconscious→ See Verb table
Examples from the Corpus
KOJoe Louis KO'd Billy Conn in the eighth round.
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Verb table
KO
Simple Form
Present
I, you, we, theyKO
he, she, itKO'sKOs
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Past
I, you, he, she, it, we, theyKO'd
Present perfect
I, you, we, theyhave KO'd
he, she, ithas KO'd
Past perfect
I, you, he, she, it, we, theyhad KO'd
Future
I, you, he, she, it, we, theywill KO
Future perfect
I, you, he, she, it, we, theywill have KO'd
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