Meaning of the word "knocked out" in English

What does "knocked out" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

knocked out

US /nɑkt aʊt/
UK /nɒkt aʊt/

Adjective

1.

unconscious as a result of a blow or punch

Example:
The boxer was knocked out in the first round.
He was knocked out cold after hitting his head.
2.

very tired or exhausted

Example:
After working all day, I was completely knocked out.
The long hike left them feeling utterly knocked out.