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loose cannon

Idiom War

Meaning

an unpredictable person who may cause problems

Example Sentences

"He’s a loose cannon who often says things without thinking."

Related Expressions

to be ahead of the curve

to be more advanced than others

breathe easy

to relax after a stressful or dangerous situation

cast in stone

fixed and unchangeable

to have a ray of hope

to see a small sign of improvement in a bad situation

knock your socks off

to impress or surprise someone greatly

off script

to deviate from a prepared plan or speech