1. a view or judgment formed about something, not necessarily based on fact or knowledge: "I'm writing to voice my opinion on an issue of great importance"
▪ the beliefs or views of a large number or majority of people about a particular thing: "the changing climate of opinion"
▪ an estimation of the quality or worth of someone or something: "I had a higher opinion of myself than I deserved"
▪ a formal statement of advice by an expert on a professional matter: "seeking a second opinion from a specialist"
▪ a formal statement of reasons for a judgment given.
▪ a lawyer's advice on the merits of a case.
Word OriginMiddle English: via Old French from Latin opinio(n-), from the stem of opinari ‘think, believe’.