Dictionary

loose cannon

noun

: a person who cannot be controlled and who does or says things that cause problems, embarrassment, etc., for others

Full Definition of LOOSE CANNON

:  a dangerously uncontrollable person or thing

Examples of LOOSE CANNON

  1. a politician who is regarded as a loose cannon by her colleagues

First Known Use of LOOSE CANNON

1973

Rhymes with LOOSE CANNON

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