ar·​bi·​tra·​tor | \ˈär-bə-ˌtrā-tər \

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

All of this will occur behind closed doors, with arbitrator Stephen Burbank, who has worked to resolve disputes between the NFL and the Players Association for years and will have the final say as to whether the NFL colluded against Kaepernick. P.r. Lockhart, Vox, "Colin Kaepernick’s collusion grievance against the NFL, explained," 6 Sep. 2018 At the June 25 village board of trustees meeting, village administrator Drew Irvin said that arbitrator Steven Bierig – who had been mutually agreed upon by the two parties – sided with the officers in a ruling handed down June 6. Daniel I. Dorfman,, "Lake Bluff police officers will get a raise after arbitrator rules in their favor in contract dispute with village," 10 July 2018 And the practice has continued for years even though the agency has been rebuked by Congress and federal labor arbitrators. Kevin Johnson, USA TODAY, "Federal prison workers hope 'three billboards' will help them fight Trump's budget cuts," 5 Mar. 2018 Ultimately, the league's arbitrator will have to determine which sides owes money. Josh Katzenstein,, "Mickey Loomis: Saints, Nick Fairley still waiting for resolution on contract grievances," 24 Jan. 2018 An arbitrator ruled Friday that the period after Mr. Frisch’s removal in March through the end of the last school year should be treated as a suspension without pay, and he should be reinstated. Leslie Brody, WSJ, "Teacher at Quaker School Gets His Job Back," 1 Oct. 2018 The city counters that arbitrators have long had that option for other city employees. Steve Miletich, The Seattle Times, "Fight over Seattle police contract goes to federal court," 3 Nov. 2018 Lawmakers haven't yet determined how arbitrators would be appointed. Katie Honan, WSJ, "New York City Council Mulls Bill to Reduce Vacant Storefronts," 22 Oct. 2018 The arbitrator sided with the players, leading to a $280 million settlement. P.r. Lockhart, Vox, "Colin Kaepernick’s collusion grievance against the NFL, explained," 6 Sep. 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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Last Updated

15 Dec 2018

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Time Traveler for arbitrator

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

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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 \

Kids Definition of arbitrator

: a person chosen to settle differences in a disagreement


ar·​bi·​tra·​tor | \ˈär-bə-ˌtrā-tər \

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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