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a loose cannon

Idiom Safety

Meaning

A person who behaves unpredictably and may cause problems.

Example Sentences

"Be careful with him — he’s a loose cannon."

Related Expressions

by and large

generally speaking; on the whole

to take the law into one’s own hands

to punish someone personally instead of letting the authorit...

take ownership

to take full responsibility for something

breathe easy

to relax after a stressful or dangerous situation

Out of the frying pan and into the fire

Going from a bad situation to an even worse one.

A bright future lies ahead

there is hope for success in the future