Definition of "hangover" in English

noun

1. Negative effects, such as headache or nausea, caused by previous drunkenness due to (excessive) consumption of alcohol.

   • I really enjoyed yesterday’s party, but now I have the biggest hangover – I’ll not be doing that again any time soon.

2. Similar negative effects caused by previous excessive consumption of another substance, such as a drug, coffee, sugar, etc.

3. (figurative) An unpleasant relic left from prior events.

4. (historical) A sleeping arrangement, usually in homeless shelters, over a rope.