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Definition of arbitrator

arbitrator

/ˈɑːr.bɪˌtreɪ.tər/
ar · bi · tra · tor
Plural:arbitrators
•
Adjective:arbitral
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arbitrator Lexical Profile

arbitrator Game Scores & Validity

• noun

1

An independent, impartial person or official appointed to hear evidence from opposing parties and make a binding decision to settle a dispute outside of court.

Example

"The union and management agreed to hire an independent arbitrator to resolve the contract negotiations."

Synonyms
View all synonyms for arbitrator
Antonyms
View all antonyms for arbitrator

Word Nuance & Usage

In formal usage, an 'arbitrator' specifically refers to an impartial third party appointed to settle a legal or labor dispute, whereas an 'arbiter' more broadly denotes anyone with supreme authority to judge matters of taste, style, or morality.

• Rhymes for arbitrator

• Nearby Words

arbitrary
arbitrate
arbitration
arbitrator
arbitratrix
arbor
arbored

Word Origin & Etymology

Borrowed in the late 14th century from Anglo-French arbitratour and Late Latin arbitrator ('judge or eyewitness'), derived from Latin arbitrari ('to witness or give judgment'), from arbiter ('one who goes to see').

Cite this Entry

Wordmom. (2026). Definition of Arbitrator. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/arbitrator
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