Definition of Opinion

Noun: opinion u'pin-yun [N. Amer], u'pi-nee-un [Brit]

A personal belief or judgment that is not founded on proof or certainty
"my opinion differs from yours";
- sentiment, persuasion, view, thought
A message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof
"his opinions appeared frequently on the editorial page";
- view
A belief or sentiment shared by most people; the voice of the people
"he asked for a poll of public opinion";
- public opinion, popular opinion, vox populi
(law) the legal document stating the reasons for a judicial decision
"opinions are usually written by a single judge";
- legal opinion, judgment, judgement
(law) the reason for a court's judgment (as opposed to the decision itself)
- ruling
A vague idea in which some confidence is placed
"his opinion of her was favourable";
- impression, feeling, belief, notion