lose (one's) mind

(redirected from lost her mind)

lose (one's) mind

1. To become insane or mentally unsound; to become extremely foolish or foolhardy. I'm going to lose my mind if I have to hear that song one more time! I think Jane's grandmother has lost her mind lately. You must have lost your mind if you think that's a good idea!
2. To become exasperated, typically due to attempting a difficult undertaking or dealing with a challenging situation. Often used in the continuous tense. I've been losing my mind trying to juggle work, night school, and the kids. Millie was losing her mind trying to prepare food and manage the front of the house, but thankfully she was able to hire someone to help.
See also: lose, mind

lose one's mind

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.
See also: lose, mind

lose your ˈmind

become mentally ill
See also: lose, mind
References in classic literature ?
I have no reason to think she had at that time lost her mind.
She must have lost her mind to have assented to such an atrocious bargain.
cried Tom, looking as if he thought she had lost her mind.
I don't want to do anything as I'm very fond of her husband and think she's lost her mind.
I know her agents and managers thought she had lost her mind,'' Hickenlooper adds.
I heard once, from my Aunt Frankie, I think, that my mom's mom had lost her mind.