loose cannon


: 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


Rhymes with LOOSE CANNON


Next Word in the Dictionary: loose changePrevious Word in the Dictionary: loose boxAll Words Near: loose cannon
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears