Definition of "self-opinionated" [self-opinionated]

• Obstinately insistent upon one's own opinions. (adjective)
• Vain; conceited. (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.

• "But; very high on the list of those that I loath with a passion, is that big headed, politically correct, self-opinionated, pseudo intellectual thinker Marcus Brigstocke."
• "According to another theory, “Smart Alec” is one of several names, such as Clever Dick, used as catchwords to describe people who are conceited, self-opinionated or ostentatiously and irritatingly knowledgeable."
• "Says he should regress these against something else like the “increasing trend of self-opinionated verbiage” he produces."