out of one's mind

idiom mental health emotion

The idiom "out of one's mind" is used to describe states of irrationality, extreme emotion, or mental instability.

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Definition

B2General

(informal)Experiencing extreme mental disturbance or insanity.

Example

After days without sleep, he felt like he was out of his mind.

B2Emotional State

(informal)Overwhelmed by strong emotions to the point of losing self-control.

Example

She was out of her mind with worry when her child went missing.

B2Behavior

(informal)Acting irrationally or illogically.

Example

Are you out of your mind? That plan will never work!

Similar

Terms that have similar or relatively close meanings to "out of one's mind":

off one's head lose one's mind out of it go mental out of one's box lose one's head go mad go bonkers off one's box off one's meds flip one's lid out of off the rails out of control far out out to lunch flip one's wig off the deep end out of hand out of one's depth drive someone crazy trip out out of sorts out of the picture out of touch out of one's time in one's head out of one's system over one's head off one's game psych out go nuts out of the common freak out blow someone's mind dumb out lose one's shit