Longman Dictionary of Contemporary English
self-opinionated
adjective
EXAMPLES FROM CORPUS
▪ For that matter, he'd seen that loft being put together, knew it almost as well as that self-opinionated young architect had.
▪ He was a self-opinionated, overbearing tyrant, and he was the last man she should want to tangle with.
▪ He was, without doubt, the most arrogant, self-opinionated man it had ever been her misfortune to meet.
▪ Mrs Turpin is a self-opinionated woman.
▪ Using it inappropriately with some one who has very strong feelings on a subject may lead you to be regarded as insensitively self-opinionated.
▪ When I called you a pompous, self-opinionated bully I meant every word!
WordNet
self-opinionated
adj. obstinate in your opinions [syn: opinionated, opinionative]
Usage examples of "self-opinionated".
He would tell this self-opinionated young upstart Conway and the stupid elephant assisting him that the Kerma slug was expendable and to abort the procedure forthwith.