Definition of flash point
1 : the lowest temperature at which vapors above a volatile combustible substance ignite in air when exposed to flame
2 : a point at which someone or something bursts suddenly into action or being
3 : tinderbox 2
Examples of flash point in a sentence
The city became a flash point as political tensions grew.
The situation reached a flash point when union leaders urged the workers to protest.
First Known Use of flash point
FLASH POINT Defined for English Language Learners
Definition of flash point for English Language Learners
: a point, place, or situation in which sudden anger or violence could happen
Seen and Heard
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