flash point

noun

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

But the feud between the two men reached another flash point …

—Richard Lacayo

3

: tinderbox sense 2

The city became a flash point as tensions grew.

Synonyms of flash point

• volcano
• time bomb

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.

Recent Examples on the Web

But, of course, schools were a frequent flash point during Emanuel’s mayoral tenure. —Daniel C. Vock, Chicago Tribune, 22 Jan. 2026

Taxes can often represent a flash point between a government and its people. —Kent Jones, The Conversation, 17 Jan. 2026

Trump’s immigration agenda reached a flash point last week following an Immigration and Customs Enforcement (ICE) officer fatally shooting of 37-year-old Renee Good, a Minnesota woman federal officials allege impeded an ICE operation in Minneapolis by using her vehicle as a weapon. —Dominick Mastrangelo, The Hill, 13 Jan. 2026

Policymakers expect other flash points. —Alan Greenblatt, CBS News, 12 Jan. 2026

Word History

First Known Use

1878, in the meaning defined at sense 1

Rhymes for flash point

• adjoint
• anoint
• appoint
• checkpoint
• conjoint
• disjoint
• endpoint
• gunpoint
• midpoint
• nonpoint
• pinpoint
• standpoint