knock out (1)
This page is about the phrasal verb knock out (1)
If you are knocked out, you are hit so hard that you lose consciousness.
- knock out sb Muhammad Ali knocked out George Foreman in the eighth round and won the fight.
- knock sb out He slipped over in the bathroom and knocked himself out.
The abbreviation "KO" is sometimes used, and pronounced "kay-oh".
In which sport are competitors most likely to be knocked out?
Contributor: Matt Errey