noun

opinion

Translation

opinion, view, belief

In my opinion, this is a great idea.

She has a strong opinion on the matter.

What is your professional opinion?

((in my/your/his opinion)) used to state your personal view In my opinion, the movie was too long.

((opinion on/about sth.)) a view about a specific topic What's your opinion on the new policy?

Synonyms: view, belief, sentiment; Antonyms: fact

From Latin 'opinari' meaning 'to think, judge'.

It's what you 'opine' or think. Remember that an opinion is a personal view, not a fact.