If you describe someone as opinionated, you mean that they have very strong opinions and refuse to accept that they may be wrong.
例句
Sue is the extrovert in the family; opinionated, talkative and passionate about politics.蘇是家中的外向行動派，性格固執，能說會道，而且對政治非常熱衷。Your article is full of some of the most opinionated rubbish I have ever read.你的文章充斥著我所讀過的一些最為偏執的胡說八道。
英漢詞典釋義
adj.
<貶>固執己見的,武斷的
He is the most opinionated man I know.他是我所認識的最固執己見的人。