loose cannon

noun

: a dangerously uncontrollable person or thing

Examples of loose cannon in a Sentence

a politician who is regarded as a loose cannon by her colleagues
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Over his career, he was described as a blunt, independent, outspoken politician who was a maverick, boat-rocker, loose cannon, skilled partisan, and, above all, political survivor. ABC News, 7 June 2026 Over his career, he was described as a blunt, independent, outspoken politician who was a boat-rocker, loose cannon, skilled partisan, and — for most of his career — political survivor. Los Angeles Times, 7 June 2026 Her life as portrayed on Mormon Wives is that of a loose cannon who struggles to liberate herself from toxic romantic entanglements, running directly counter to The Bachelor’s fantasy of happily-ever-after. Rebecca Jennings, Vulture, 20 Mar. 2026 Lubesnik’s boss is one of those suits who hates loose cannons and talks about city hall being on his back. David Fear, Rolling Stone, 13 Feb. 2026 See All Example Sentences for loose cannon

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of loose cannon was in 1973

Browse Nearby Words

Cite this Entry

“Loose cannon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loose%20cannon. Accessed 9 Jun. 2026.

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