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

Keep scrolling for more

Synonyms for arbitrator


adjudicator, arbiter, judge, referee, umpire

Visit the Thesaurus for More 

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

The city and the union each will select one arbitrator, and those two will select a third. Dylan Mcguinness,, "San Antonio firefighters take contract dispute to binding arbitration," 2 July 2019 The process simply means that both sides agree to present their arguments, in private, to a mediator who, unlike a judge or an arbitrator, has no power to issue a legally binding decision. Kevin Baxter,, "U.S. Soccer and USWNT players agree to mediation over pay dispute," 22 June 2019 Atlas has been in contract talks with its pilots for three years, with an arbitrator recently ordering the two sides to sit down for fresh talks. Doug Cameron, WSJ, "Amazon Rents More Jets to Expand Next-Day Delivery," 18 June 2019 The campaign is pursuing a claim against her with a private arbitrator for breaching the agreement, according to a campaign official who asked not to be identified. Chris Stirewalt, Fox News, "Primaries in four states test limits of Dem surge," 14 Aug. 2018 The arbitration will be conducted by a single arbitrator. National Geographic, "Student Expeditions Terms & Conditions," 12 June 2019 Faraday Future asked the arbitrator to loosen Evergrande’s grip on its IP and other assets, which were offered as collateral in order to secure the $2 billion investment. Sean O'kane, The Verge, "Federal court freezes Faraday Future CEO’s ownership stake, California mansions," 14 Dec. 2018 Russell can challenge the leave before an arbitrator, and the leave can be extended for additional seven-day periods if the union agrees. Fox News, "Chicago Cubs shortstop Addison Russell placed on leave after domestic violence claims," 22 Sep. 2018 If Newsham upholds the firing, Trainer can appeal to an arbitrator, then to the District’s employee relations board, and then to court. Peter Hermann, Washington Post, "D.C. officer who fatally shot motorcyclist appeals termination," 8 June 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.

See More

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

Keep scrolling for more

Learn More about arbitrator

Statistics for arbitrator

Last Updated

14 Jul 2019

Look-up Popularity

Time Traveler for arbitrator

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

See more words from the same century

Keep scrolling for more

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

Keep scrolling for more

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).


characterized by aphorism

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!