Definition of opinion
1a
: a view, judgment, or appraisal formed in the mind about a particular matter
We asked them for their opinions about the new stadium.
2a
: belief stronger than impression and less strong than positive knowledge
a person of rigid opinions
b
: a generally held view
news programs that shape public opinion
3a
: a formal expression of judgment or advice by an expert
My doctor says that I need an operation, but I'm going to get a second opinion.
b
: the formal expression (as by a judge, court, or referee) of the legal reasons and principles upon which a legal decision is based
The article discusses the recent Supreme Court opinion.
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Time Traveler for opinion
The first known use of opinion was in the 14th century
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