Definition of loose cannon
: a dangerously uncontrollable person or thing
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Examples of loose cannon in a Sentence
a politician who is regarded as a loose cannon by her colleagues
Recent Examples of loose cannon from the Web
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Hernandez, who has long been a buff of Civil War history, is not a loose cannon.
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This new silent-but-deadly Teddy is yet another loose cannon on a show about an entire cast of characters going rogue.
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His best friend, Miles (Casal), is a classic loose cannon whose white working-class status gives him similar economic pressures but more room to behave as an angry wild card than Collin.
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After getting a whole season of ratings fireworks from its resident loose cannon, the network finally drew the line.
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Giuliani, however, is a loose cannon, and is already struggling to keep his story straight.
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Paul Manafort spent the spring trying to argue that Mueller was a loose cannon, a reckless, out of control prosecutor straying far beyond his assignment.
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In battleground states like Arizona, Florida, and Nevada, Trump’s proclivity to be a loose cannon could endanger the Republican incumbents and challengers who are already facing ferocious Democratic headwinds.
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In battleground states like Arizona, Florida and Nevada, Mr. Trump’s proclivity to be a loose cannon could endanger the Republican incumbents and challengers who are already facing ferocious Democratic headwinds.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'loose cannon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of loose cannon
1889
LOOSE CANNON Defined for English Language Learners
loose cannon
Definition of loose cannon for English Language Learners
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: a person who cannot be controlled and who does or says things that cause problems, embarrassment, etc., for others
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