knackered
adjective · casual
Very tired, exhausted.
How Aussies use it
- I'm knackered after that shift.
- The kids are knackered from swimming.
Good to know
Also common in British English.
Saying it more formally
In a formal email, essay or the PTE test, use exhausted instead.
Slang is great for chatting with friends and workmates, but keep it out of PTE essays and formal writing.