Definition, Meaning & Synonyms
crack-up
noun
/ˈkræk ʌp/

Definition
A sudden and intense laugh or a breakdown.

Examples
- After hearing the joke, everyone had a crack-up.
- His sudden crack-up in front of the audience surprised everyone.

Meaning
The term can refer to either an outburst of laughter or a mental breakdown.

Synonyms
- giggle
- collapse
- breakdown
- hilarity