ar·​bi·​tra·​tor ˈär-bə-ˌtrā-tər How to pronounce arbitrator (audio)
: one that arbitrates a dispute : arbiter
an impartial arbitrator

Examples of arbitrator in a Sentence

Both sides agreed to accept a decision by an impartial arbitrator. the couple finally agreed to let the salesclerk be the final arbitrator and tell them which shirt looked best
Recent Examples on the Web An arbitrator later reduced the penalty to 194 games, still the longest for any player suspended under the policy. Bill Shaikin, Los Angeles Times, 31 Aug. 2023 What did the arbitrator say to the parties to explain his decision? Bill Shaikin, Los Angeles Times, 25 Oct. 2023 An independent arbitrator heard testimony from Bauer and reviewed the league’s investigation, then ruled Bauer had indeed violated the policy but reduced the suspension from two years to 194 games, still the longest issued under the policy. Bill Shaikin, Los Angeles Times, 31 Oct. 2023 The Cardinals complained to Jeffrey Mishkin, the arbitrator appointed by the NFL in the case, and issued the statement about the testimony not being admissible. Jeremy Cluff, The Arizona Republic, 31 Aug. 2023 In February, an arbitrator awarded a $30 million fund, paid for by the companies, to compensate the workers. Max Siegelbaum, ProPublica, 22 Aug. 2023 By league rules, the arbitrator alone is empowered to decide the case and mete out any potential penalties. Tariq Panja, New York Times, 26 May 2023 Respect: Treat the arbitrator, the opposing party (appraisal district) and the process with respect. Dave Lieber, Dallas News, 11 May 2023 The tensions led to weeks of acrimonious debate, prompting Australia’s arbitrator to step in this week at the request of Chevron. Michelle Toh, CNN, 22 Sep. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'arbitrator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Middle English, borrowed from Medieval Latin arbitrātor "umpire," from Latin arbitrārī "to consider, judge, arbitrate" + -tor, agent suffix

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of arbitrator was in the 15th century

Dictionary Entries Near arbitrator

Cite this Entry

“Arbitrator.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2023.

Kids Definition


ar·​bi·​tra·​tor ˈär-bə-ˌtrāt-ər How to pronounce arbitrator (audio)
: a person chosen to settle differences in a disagreement

Legal Definition


ar·​bi·​tra·​tor ˈär-bə-ˌtrā-tər How to pronounce arbitrator (audio)
: an impartial person or group that is given the power by disputing parties to resolve their dispute compare mediator

More from Merriam-Webster on arbitrator

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