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.

• to act or behave in an inappropriate, improper, incorrect, or unexpected manner
       He doesn't mean to misbehave; he just doesn't know better.