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unanimous

American  
[yoo-nan-uh-muhs] / juˈnæn ə məs /

adjective

  1. of one mind; in complete agreement; agreed.

  2. characterized by or showing complete agreement.

    a unanimous vote.


unanimous British  
/ juːˈnænɪməs, ˌjuːnəˈnɪmɪtɪ /

adjective

  1. in complete or absolute agreement

  2. characterized by complete agreement

    a unanimous decision

"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

Other Word Forms

Etymology

Origin of unanimous

First recorded in 1615–25; from Latin ūnanim(us), equivalent to ūn(us) “one” + animus “mind, heart, feeling” + -ous

Explanation

When a group or a decision is unanimous, it means that everyone is in total agreement. Just imagine if you let third graders vote on what to serve at lunch: Pizza and candy would be the unanimous choice! The adjective unanimous comes from the similar Latin word unanimus, which means “of one mind.” So when people think unanimously, they all have the same idea in their heads. A vote is unanimous when all voters are in agreement. Said Marcus Cicero, “Great is the power, great is the authority of a senate that is unanimous in its opinions.”

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Vocabulary lists containing unanimous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Witnesses I spoke with were unanimous on one detail: “Only one of the three officers on duty that night tried to do anything.”

From Slate Aug. 11, 2026

The Briton outclassed Kielholtz at PFL New York earlier this month to win by unanimous decision in her first fight in just over a year.

From BBC Aug. 10, 2026

As the union seeks to claw back jobs, Brown was the unanimous choice of its executive committee to lead.

From The Wall Street Journal Jul. 31, 2026

Such a view is by no means unanimous, though.

From MarketWatch Jul. 29, 2026

In 1874, the US Supreme Court handed down a unanimous opinion upholding the lower court.

From "Votes for Women!" by Winifred Conkling

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