take leave of senses
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Related to take leave of senses: come to one's senses, come to senses
take leave of one's senses
Fig. to become irrational. (Often verbatim with one's.) What are you doing? Have you taken leave of your senses? What a terrible situation! It's enough to make one take leave of one's senses.
take leave of your senses(slightly formal)
to become crazy My friends wondered if I had taken leave of my senses.