lose one's mind

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Idioms and Phrases

Also, lose one's reason . Go crazy, lose one's sanity, as in I thought she'd lost her mind when she said she was going ice-fishing , or That assignment is enough to make me lose my reason . The first expression dates from the late 1500s; the second employs reason in the sense of “unimpaired mental faculties,” a usage dating from the late 1300s. Also see under go out of one's mind ; have all one's buttons .

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April 24, 2024gallimaufry

[gal-uh-maw-free ]

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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