lose your mind definition, meaning - what is lose your mind in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “lose your mind”

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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?
Translations of “lose your mind”
in Chinese (Traditional) 精神失常, 失去理智…
in Chinese (Simplified) 精神失常, 失去理智…
(Definition of lose your mind from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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