ar·​bi·​tra·​tor | \ ˈär-bə-ˌtrā-tər How to pronounce arbitrator (audio) \

Definition of arbitrator

: one that arbitrates a dispute : arbiter an impartial arbitrator

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Synonyms for arbitrator


adjudicator, arbiter, judge, referee, umpire

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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

Arbitration became part of the American legal landscape in 1925, when federal legislation opened the door to resolving business disputes with arbitrators. L.m. Sixel, San Antonio Express-News, "The ties that bind in mandatory arbitration are unraveling," 17 Apr. 2018 Stated differently, whichever side the arbitrator selects as the winner in the Ollie-UConn dispute will most likely remain the winner thereafter. Michael Mccann,, "Breaking Down Kevin Ollie's Case Against UConn and the University's Likely Defenses," 29 June 2018 That means anyone who wants to build something higher than the current three floors needs Fifth Third's approval, making the bank the ultimate arbitrator for any large-scale project. Sharon Coolidge,, "Downtown Macy's site: These are the decision-makers," 3 Jan. 2018 Critics of private arbitration argue that arbitrators tend to be biased in favor of business and against the interests of consumers. Timothy B. Lee, Ars Technica, "Uber wins key ruling in its fight against treating drivers as employees," 25 Sep. 2018 In the Hong Kong case, the arbitrator has already passed down two interim decisions. Sean O'kane, The Verge, "Federal court freezes Faraday Future CEO’s ownership stake, California mansions," 14 Dec. 2018 Because Metro workers are forbidden from striking under the system’s governing compact, a judge or arbitrator could order an end to any strike and penalize those who do not comply. Ashraf Khalil, The Seattle Times, "Washington Metro workers approve strike amid rising tensions," 17 July 2018 The filing met a statute of limitations deadline and will be heard by an independent arbitrator, an NFLPA spokesman said. CBS News, "NFL players union files grievance over new national anthem policy," 10 July 2018 Under a 1999 amendment to the School Reform Act, a principal can ask an independent arbitrator to review and possibly overturn an LSC's decision. Hannah Hayes, Chicago Reader, "Education / News Parents, community clash over new principal selection at King Community College Prep," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arbitrator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of arbitrator

15th century, in the meaning defined above

History and Etymology for arbitrator

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

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Statistics for arbitrator

Last Updated

24 Mar 2019

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Time Traveler for arbitrator

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

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More Definitions for arbitrator



English Language Learners Definition of arbitrator

: a person who is chosen to settle a disagreement between people or groups


ar·​bi·​tra·​tor | \ ˈär-bə-ˌtrā-tər How to pronounce arbitrator (audio) \

Kids Definition of arbitrator

: a person chosen to settle differences in a disagreement


ar·​bi·​tra·​tor | \ ˈär-bə-ˌtrā-tər How to pronounce arbitrator (audio) \

Legal Definition of arbitrator

: an impartial person or group that is given the power by disputing parties to resolve their dispute — compare mediator

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Comments on arbitrator

What made you want to look up arbitrator? Please tell us where you read or heard it (including the quote, if possible).


not to be persuaded, moved, or stopped

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