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[uh-pin-yuh n] /əˈpɪn yən/
a belief or judgment that rests on grounds insufficient to produce complete certainty.
a personal view, attitude, or appraisal.
the formal expression of a professional judgment:
to ask for a second medical opinion.
Law. the formal statement by a judge or court of the reasoning and the principles of law used in reaching a decision of a case.
a judgment or estimate of a person or thing with respect to character, merit, etc.:
to forfeit someone's good opinion.
a favorable estimate; esteem:
I haven't much of an opinion of him.
1250-1300; Middle English < Old French < Latin opīniōn- (stem of opīniō), derivative of opīnārī to opine
Related forms
preopinion, noun
underopinion, noun
Can be confused
opine, opinion.
1. persuasion, notion, idea, impression.
Synonym Study
1. Opinion, sentiment, view are terms for one's conclusion about something. An opinion is a belief or judgment that falls short of absolute conviction, certainty, or positive knowledge; it is a conclusion that certain facts, ideas, etc., are probably true or likely to prove so: political opinions; an opinion about art; In my opinion this is true. Sentiment (usually pl.) refers to a rather fixed conviction, usually based on feeling or emotion rather than reasoning: These are my sentiments. View is an estimate of something, an intellectual judgment, a critical survey based on a mental examination, particularly of a public matter: views on governmental planning. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for opinions
  • Students should supply relevant evidence to support their opinions.
  • Write down your reactions and then ask others for their opinions.
  • The scores that follow, listed by rank, reflect the experts' opinions.
  • There were hundreds and thousands of people who came on the streets voicing their opinions.
  • Here she revises the opinions of her younger self and updates recipes with newly available ingredients.
  • His opinions moved slowly but somewhat in advance of the opinion of the churches.
  • With regard to the time when the mistletoe should be gathered opinions have varied.
  • We dare not make an outlaw of any individual or any group, whatever his or its opinions or professions.
  • When you are a scientist your opinions and prejudices become facts.
  • My mentors from graduate school offered a range of opinions.
British Dictionary definitions for opinions


judgment or belief not founded on certainty or proof
the prevailing or popular feeling or view: public opinion
evaluation, impression, or estimation of the value or worth of a person or thing
an evaluation or judgment given by an expert: a medical opinion
the advice given by a barrister or counsel on a case submitted to him or her for a view on the legal points involved
a matter of opinion, a point open to question
be of the opinion that, to believe that
Word Origin
C13: via Old French from Latin opīniō belief, from opīnārī to think; see opine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for opinions



c.1300, from Old French opinion "opinion, view, judgements founded upon probabilities" (12c.), from Latin opinionem (nominative opinio) "opinion, conjecture, fancy, belief, what one thinks; appreciation, esteem," from stem of opinari "think, judge, suppose, opine," from PIE *op- "to choose" (see option).

Where there is much desire to learn, there of necessity will be much arguing, much writing, many opinions; for opinion in good men is but knowledge in the making. [Milton, "Areopagitica"]

Online Etymology Dictionary, © 2010 Douglas Harper
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Idioms and Phrases with opinions
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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