Definition of opinion in English:

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Pronunciation: /əˈpinyən/


1A 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 that, in my opinion, is dead right
More example sentences
  • In fact, in my opinion, in the future you are either going to have to be very large or very small in this business.
  • In fact, in my opinion, the attitude of the authorities has simply worsened.
  • The two, in my opinion, aren't necessarily related in the short term.
belief, judgment, thought(s), (way of) thinking, mind, (point of) view, viewpoint, outlook, attitude, stance, position, perspective, persuasion, standpoint;
sentiment, conception, conviction
as I see it, to my mind, (according) to my way of thinking, personally, in my estimation, if you ask me, for my money, in my book
1.1The beliefs or views of a large number or majority of people about a particular thing: the changing climate of opinion
More example sentences
  • The traditional view, and I'm sure the majority of opinion supports it, is that the Attorney-General does have a role.
  • It went through six printings in its first year, but its effect on majority opinion was, for many years to come, negligible.
  • The larger denomination coins and the notes are being spent but the vast majority of opinion regards them as having little spending power.
1.2 (opinion of) An estimation of the quality or worth of someone or something: I had a higher opinion of myself than I deserved
More example sentences
  • They generally did not have a high opinion of the quality of audited financial statements issued by the balance of Bulgarian companies.
  • I didn't want to be honest with her as to my opinion of the quality of that statement, so I said nothing in reply.
1.3A formal statement of advice by an expert on a professional matter: seeking a second opinion from a specialist
More example sentences
  • The same guidance applies if you are seeking a second opinion from another NHS professional, such as a dentist.
  • But that's the problem for media, where most who profess to provide expert opinions have a vested interest one way or another.
  • Maybe some professional expert opinions are in order here.
1.4 Law A formal statement of reasons for a judgment given.
Example sentences
  • For all of these reasons, the plurality opinion is open to criticism.
  • In his sentencing opinion, Judge Moore said that to sentence him as an adult would mean giving up on the juvenile justice system.
  • It might be refreshing, though, to have a Supreme Court Justice who writes opinions with critical comments directed at himself.
1.5 Law A lawyer’s advice on the merits of a case.
Example sentences
  • How does that fit in with the liability of, say, a solicitor for giving advice, or a barrister for giving chambers opinions?
  • What you are told here is that the matters were referred to the legal assistance referral scheme for merit opinions which were not favourable to the clients.
  • The Committee issues a consensus opinion though individual opinions on the merits may be added if members of the Committee so desire.



be of the opinion that

Believe or maintain that: economists are of the opinion that the economy could contract
More example sentences
  • Most of them were of the opinion that more such programmes should be organised to help the students develop their skills to build a better career.
  • They were of the opinion that at least people who drink should consider the difficulties they cause and the families they break.
  • The developers were of the opinion that there were no planning issues involved in the proposed change of use.
believe, think, consider, maintain, reckon, estimate, feel, have a/the feeling, contend, be convinced
informal allow
formal opine

a matter of opinion

Something not capable of being proven either way.
Example sentences
  • That's a matter of opinion, no matter how outrageous.
  • Claim 3 might be dismissed as a matter of opinion, not a matter of knowledge.
  • The extent of flooding is not a matter of opinion, it is a matter of fact.
debatable, open to question, open to debate, a moot point, up to the individual


Middle English: via Old French from Latin opinio(n-), from the stem of opinari 'think, believe'.

Words that rhyme with opinion

minion, pinion

For editors and proofreaders

Syllabification: o·pin·ion

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