KO

Or K.O.,

[key-oh, key-oh, key-oh]

noun

plural

KO's 

1. a knockout in boxing.

verb (used with object)

KO'd, KO'ing 

1. to knock unconscious, especially in a boxing match; knock out.

KO

/ ˈkeɪˈəʊ /

verb

1. a slang term for knock out See knockout

noun

1. a slang term for knockout

Word History and Origins

Origin of KO¹

First recorded in 1920–25; initial letters of knock out

Example Sentences

Cacace didn't let him off the hook as he meticulously broke Wood's resistance, thudding home some punishing shots and the towel came in from his corner to save him from an inevitable KO.

From BBC

Another contender worth mentioning is Lawrence Okolie, 31, the former cruiserweight world champion who announced himself at heavyweight with a one-round KO earlier this month.

From BBC

The Third Way coalition that is poised to take power has selected KO leader Donald Tusk as its candidate for prime minister.

From Reuters

Welsh featherweight Jack Shore: "I think Tom will be too well rounded and too fast. I'm going for a second round submission or KO for Tom."

From BBC

They said they would nominate KO leader and former European Council chief Donald Tusk as candidate for prime minister.

From BBC

Related Words

• beating 
• blow 
• breakdown 
• collapse 
• debacle 
• destruction 
• drubbing 
• embarrassment 
• failure 
• killing 
• loss 
• massacre 
• rout 
• setback 
• thrashing 
• triumph