ko
word
Definition
'KO' is an abbreviation for 'knockout' in sports like boxing, meaning to defeat an opponent so they cannot continue. It can also be used more loosely to mean a complete win or defeat in other situations.
Usage & Nuances
'KO' is mostly used in the context of boxing, MMA, or video games, and is informal. It's sometimes used figuratively to describe a decisive win or to say someone was overwhelmed. Written in all capitals ('KO') is most common.
Example Sentences
He won the match by KO in the third round.
basic
If the boxer can't get up, it's a KO.
basic
Many video games use KO to show when a character is defeated.
basic
That knockout punch was a clean KO—nobody expected it!
natural
She totally KO'd the competition at the debate and took first place.
natural
After working all night, I was so tired—I felt totally KO'd.
natural