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English - United States - Extended English idiom corpus

loose cannon

loose cannon

Meaning

A person who acts unpredictably and may cause harm.

Usage example

Use "loose cannon" when a person who acts unpredictably and may cause harm.

Cultural context

A common English idiom or proverb included for public search discovery, learning, and IdiomBridge app promotion.

Related idioms

English - Zambia It takes a village. English - United States Do not count your chickens before they hatch. English - Canada The early bird catches the worm. English - United Kingdom A stitch in time saves nine.