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Definitions

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

“One man’s loose cannon is another man’s freedom fighter,” she wrote in 1987 of the city’s cast of characters in 1987.

From Slate • Jun. 14, 2023

Walters, however, did not accept the apology and instead, called Behar "a loose cannon."

From Salon • Jun. 22, 2022

Forty years old, with a thick mustache and the posture of a flagpole, Liddy was known around Washington as intelligent, fiercely loyal, and something of a loose cannon.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin




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