Meaning of the word knackered in English

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

knackered

US /ˈnæk.ɚd/
UK /ˈnæk.əd/

Adjective

extremely tired; exhausted

Example:
After working all day, I was completely knackered.
The long hike left us all feeling utterly knackered.