Of, based on, or of the nature of an opinion.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "opinionative" in a sentence
"I think I now have another opinionative plaint against the style of many history books."
"The features were, indeed, those of the stubborn, opinionative, yet sensible artisan, but Monsieur had contrived to throw a French grace into the look and manner, so utterly inconsistent with the dogged gravity of the original, that it was impossible to look at it without laughing."
"He was a stout, squat figure, with a square face and broad black eyebrows, that announced him to be opinionative and disputatious, — an advice giving countenance, so to speak."