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idiom

Powder Keg

POW-der keg

/ˈpaʊdər kɛɡ/

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Syllable breakdown

powderkeg

Dictionary meaning

A situation or place that is highly dangerous and ready to explode into violence at any moment

History and origin

From gunpowder kegs — barrels of explosive that need only a spark to detonate; metaphorical use dates to at least the 19th century

Examples

  • The Balkans were described as a powder keg before the assassination of Archduke Franz Ferdinand in 1914.
  • Analysts warned that competing territorial claims in the region had created a powder keg that any incident could ignite.

Synonyms: tinderbox, flashpoint, time bomb

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