take leave of(redirected from take one's leave)
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take leave of someone or something
to go away from someone or something. It is time for me to take leave of all of you. It saddened me to take leave of the city I grew up in.
take leave of
1. Also, take one's leave of. Depart from, say good-bye to. For example, Sorry but I have to take leave of you now, or After the movie we'll take our leave of you. [Mid-1200s]
2. take leave of one's senses. Behave irrationally, act crazy, as in Give them the keys to the house? Have you taken leave of your senses? [Late 1800s] Also see come to one's senses.