Misbehaved \Mis`be*haved"\, a. Guilty of ill behavior; illbred; rude. ``A misbehaved and sullen wench.'' --Shak. Misbehave \Mis`be*have"\, v. t. & i. [imp. & p. p. {Misbehaved}; p. pr. & vb. n. {Misbehaving}.] To behave ill; to conduct one's self improperly; -- often used with a reciprocal pronoun.