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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

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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

These purges, analysts say, effectively have transformed the Central Military Commission from a decision-making body into a personal secretariat, cementing Xi as the sole arbiter of military power.

From The Wall Street Journal • Feb. 20, 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

That means the VAR Darren England was the sole arbiter of whether not giving a penalty could be seen as a serious missed incident.

From BBC • Jan. 17, 2026

In a way, however, he was the final arbiter.

From "Endgame" by Frank Brady