Opinionative \O*pin"ion*a*tive\, a. 1. Unduly attached to one's own opinions; opinionated. --Milton. 2. Of the nature of an opinion; conjectured. [Obs.] ``Things both opinionative and practical.'' --Bunyan. -- {O*pin"ion*a*tive*ly}, adv. -- {O*pin"ion*a*tive*ness}, n.