To lose one's mind

to become insane, or imbecile.
- Addison.

See also: Mind

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The author never really tells us how to get lost, but she offers a few of her own maps, recounts what it means to be lost in the present, to be lost in love, to lose one's mind, the "voluptuous pleasure" in sadness and loss, and the spiritual implications.
"What a waste it is to lose one's mind. Or, not to have a mind is being very wasteful.
The epigraph of Brain Fever is Soren Kierkegaard's statement that "to have faith is precisely to lose one's mind so as to win God."