adj
knackered
NAK-uhd
adj
1
Extremely tired or worn out.
"I'm absolutely knackered after that shift."
2
Broken or no longer working.
"The washing machine's knackered again."
How to Use Knackered
Learner’s notesIn plain EnglishExhausted, or (of things) broken.
When to use it
British informal slang; not typically used in American English.
Common pairings
completely knackered
knackered engine
Word Forms
more knackered comparative, more knackered comparative, most knackered superlative, most knackered superlative
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Etymology
From "knacker," originally the person who slaughtered worn-out horses — so being "knackered" meant fit only for the knacker's yard, worn out beyond use.