Meaning of “lose your mind” in the English Dictionary

british dictionary

"lose your mind" in British English

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lose your mind

informal

to become mentally ill, or to start behaving in a silly or strange way:

You just spent all that money on a pair of shoes? Have you completely lost your mind?

(Definition of “lose your mind” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"lose your mind" in American English

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lose your mind

infml to become crazy:

I’m going to lose my mind if I have to stay here any longer.

(Definition of “lose your mind” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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