noun
opinion
uh-PIN-yun/əˈpɪnjən/
A belief or considered judgment about something.
The two viewers have very different opinions about the painting.

Etymology
An opinion is the result of thinking or judging. Its early sense emphasized a conclusion based on evidence short of certainty, which helps explain its use for a personal belief rather than established knowledge.
In context
everyone has a strong opinion about everything and so many people seem to think they have the only right answer
More examples
- In my opinion, the shorter route is safer.
- She asks another doctor for a second opinion.
- The judge's written opinion explains the court's decision.
Forms
opinion · opinions
opinionated adjective — Holding strong views and expressing them forcefully.