opinionative

adjective2

1. •
   Of, pertaining to, being, or expressing opinion.

   • The courts of the United States generally allow opinionative evidence concerning value. — 1980
2. •
   Opinionated.

   • They were not only opinionative, peevish, covetous, morose, vain, talkative, but incapable of friendship, and dead to all natural affection. — 1726