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loose cannon

NOUN
unpredictable person
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I can’t imagine being more of a loose cannon, or how you would navigate it without that grounding.

From Los Angeles Times • May 19, 2026

His mother doesn't acknowledge that Ruben is a loose cannon loaded with vast quantities of gunpowder.

From BBC • Apr. 24, 2026

Nixon and Kissinger saw him as a loose cannon, and they wondered whether he was divulging these secrets, possibly to foreign agents.

From Slate • Jun. 16, 2023

No loose cannon, Hoover was actually the consummate cautious bureaucrat, the keeper of the files — really more of an uptight, puritanical librarian.

From Washington Post • Nov. 9, 2022

Increasingly, the higher-ups at the agency came to see William as a loose cannon.

From "The Woman All Spies Fear" by Amy Butler Greenfield




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