English definition of “opinion”
› [C] a thought or belief about something or someone: What's your opinion about/on the matter? He has fairly strong opinions on most subjects. Why don't we ask Daniel's opinion? In my opinion (= I think) he's the best football player we have in this country.
public opinion › the thoughts and beliefs that most people have about a subject: Eventually, the government will have to take notice of public opinion.
have a high/low opinion of sb/sth › to think that someone or something is good/bad: He has a low opinion of doctors.