lose one's mind

idiom

Definition of lose one's mind

: to become mentally ill : to go insane I feel like I'm losing my mind.

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Dictionary Entries Near lose one's mind

lose one's marbles

lose one's mind

lose one's mind/sanity

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Cite this Entry

“Lose one's mind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lose%20one%27s%20mind. Accessed 8 Dec. 2021.

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