self opinionated

/ˌsɛlfəˈpɪnjəˌneɪtɪd/
adjective
  1. Having a very strong and often stubborn belief in one's own opinions, and not willing to listen to others.
    • Being self-opinionated can make it hard to work in a group.
    • My uncle is so self-opinionated that he never changes his mind, even when he's wrong.
    • The self-opinionated manager refused to consider any suggestions from the team.
Antonyms
What does "self opinionated" mean? | whatsthatwordmean | whatsthatwordmean