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See more synonyms for arbitrator on Thesaurus.com
  1. a person chosen to decide a dispute or settle differences, especially one formally empowered to examine the facts and decide the issue.
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Origin of arbitrator

1400–50; late Middle English arbitratour < Late Latin; see arbitrate, -tor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for arbitrator

Historical Examples

  • And they chose Bosambo, paramount and magnificent chief of the Ochori, as arbitrator.


    Edgar Wallace

  • He occupied all governmental offices, and was the arbitrator of domestic life.

    Mizora: A Prophecy

    Mary E. Bradley

  • I have reason to remember their squabble, for they wanted to make me their arbitrator.

  • Often chosen for his prudence and justnes to be an arbitrator; and he was a great peace-maker.

  • For how should they choose an enemy in arms to be arbitrator?

Word Origin and History for arbitrator


early 15c., from Old French arbitratour (13c.), from Latin arbitrator "a spectator, hearer, witness, judge," agent noun from past participle stem of arbitrari, from arbiter (see arbiter). The legal form of popular arbiter; in modern usage, an arbiter makes decisions of his own accord and is accountable to no one but himself; an arbitrator (early 15c.) decides issues referred to him by the parties.

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Online Etymology Dictionary, © 2010 Douglas Harper