"conduct oneself improperly or indecorously," late 15c.; see mis- (1) "badly, wrongly" + behave. Related: Misbehaved; misbehaving.
The children misbehaved all morning
misascription
misattribution
misbecome
misbefall
misbegotten
misbehave
misbehavior
misbelief
misbetide
misborn
miscalculate
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