Dictionary.com
Thesaurus.com

self-opinionated

American  
[self-uh-pin-yuh-ney-tid, self-] / ˌsɛlf əˈpɪn yəˌneɪ tɪd, ˈsɛlf- /
Also self-opinioned

adjective

  1. conceited; having an inordinately high regard for oneself, one's own opinions, views, etc.

  2. stubborn or obstinate in holding to one's own opinions, views, etc.


self-opinionated British  

adjective

  1. having an unduly high regard for oneself or one's own opinions

  2. clinging stubbornly to one's own opinions

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of self-opinionated

First recorded in 1665–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“What I have tried to do,” Mr. McCowen said, “is peel away all those layers of respectability to get back to the violent, self-opinionated little boy that was always bursting out.”

From New York Times

Unhappily he, in no small degree, depreciated this great gift, by clogging it with his own self-opinionated pronunciation of the language, instead of taking it as actually spoken.

From Project Gutenberg

All this results from the existence of a military caste in this country which is as supercilious, self-opinionated, and autocratic as the military aristocracy of the most military ridden nation of Europe.

From Project Gutenberg

And on he went, ruffled, but wrapped in self-opinionated vanity.

From Project Gutenberg

A wide gulf, truly, separates from their fathers these modern self-centred, self-opinionated young sportswomen and over-academised girls.

From Project Gutenberg