v. i. [ imp. & p. p. Expostulated p. pr. & vb. n. Expostulating. ] [ L. expostulatus, p. p. of expostulare to demand vehemently; ex out + postulare to ask, require. See Postulate. ] To reason earnestly with a person on some impropriety of his conduct, representing the wrong he has done or intends, and urging him to make redress or to desist; to remonstrate; -- followed by with. [ 1913 Webster ] Men expostulate with erring friends; they bring accusations against enemies who have done them a wrong. Jowett (Thuc. ). Syn. -- To remonstrate; reason. See Remonstrate. [ 1913 Webster ] | 