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British slang
Finished / done / exhausted.
Safe to use?
Usually safest with people who already understand the context.
Tone
Casual and context-dependent.
Region
UK
Formality
Informal.
Dun out means Finished / done / exhausted. It is best read as british slang associated with UK.
"Dun out" means Finished / done / exhausted. In UK, the nuance may be more specific.
Casual and context-dependent.
Usually safest with people who already understand the context.
Context-dependent
Used to indicate that something is definite and not open for discussion
Enough; finished; stop.
I am totally exhausted or worn out (used for physical or mental fatigue)
I couldnt sleep; used to express tiredness/exhaustion.
A state of extreme grogginess or difficulty waking up
Exhausted; very tired.
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SlangWatch entries are maintained by the SlangWatch Editorial Team using submitted examples, regional labels, tags, and ongoing reader corrections. We avoid claiming a precise origin or cultural pathway unless the entry has meaningful supporting data.