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Synonyms

arbiter

American  
[ahr-bi-ter] / ˈɑr bɪ tər /

noun

  1. a person empowered to decide matters at issue; judge; umpire.

  2. a person who has the sole or absolute power of judging or determining.


arbiter British  
/ ˈɑːbɪtə /

noun

  1. a person empowered to judge in a dispute; referee; arbitrator

  2. a person having complete control of something

"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

  • superarbiter noun

Etymology

Origin of arbiter

1350–1400; Middle English arbitour, arbitre < Anglo-French, Old French < Latin arbiter

Compare meaning

How does arbiter compare to similar and commonly confused words? Explore the most common comparisons:

Explanation

An arbiter is someone selected to judge and settle a dispute. When Doc and Grumpy disagreed over whose turn it was to stay late at the mine, they chose Snow White as an arbiter. Arbiter, from the Latin, means "one who goes somewhere as witness or judge.” The arbiter of a baseball game is called an umpire. In football and basketball, the arbiter is a referee. Arbitration is a type of conflict resolution in which a neutral person — the arbiter — hears the details of a dispute and makes a legally-binding decision about its resolution.

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Vocabulary lists containing arbiter

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.

After retiring in 2013, he joined a private Washington law practice where he handled official arbiter missions.

From Barron's • Mar. 21, 2026

He chairs the Expediency Council, a top arbitration body that serves as the final arbiter between parliament and the constitutional watchdog, the Guardian Council.

From BBC • Mar. 17, 2026

Over the last decade and a half, the critic’s role has evolved from that of an arbiter to a kind of prescriber.

From Salon • Feb. 7, 2026

It’s unusual — but not unheard of — for a neutral arbiter to be appointed to investigate cases from a specific firm in a massive settlement.

From Los Angeles Times • Oct. 26, 2025

With his own military power and their support, he can very easily put down those who are powerful, and remain complete arbiter of that region.

From "The Prince" by Niccolò Machiavelli