Synonyms of arbiter

arbiter

noun

ˈär-bə-tər 

as in referee

a person who impartially decides or resolves a dispute or controversy

the dean of student affairs is the proper arbiter when a student disputes a grade

Synonyms & Similar Words

• referee
• judge
• umpire
• arbitrator
• negotiator
• moderator
• magistrate
• adjudicator
• mediator
• jurist
• intermediary
• justice
• conciliator
• peacemaker
• intermediate
• reconciler
• mediatrix
• decider
• troubleshooter
• go-between

Example Sentences

Recent Examples of arbiter

The jet stream – the ultimate arbiter of day-to-day weather – dictates where warmer air and cooler air are allowed to settle across North America. — Sean MacAday, Sacbee.com, 14 July 2026

This setup, wherein a group of arbiters hide behind a curtain like the Wizard of Oz and hand down decisions that inflict generational trauma on entire countries, almost feels purposefully built to invite all sorts of wild speculation. — Jay Caspian Kang, New Yorker, 14 July 2026

In an television age where genre seems increasingly like a suggestion rather than a hard-and-fast rule, the Emmys are often the lone arbiter of whether a show is essentially a drama or a comedy. — Joe Reid, Vulture, 20 June 2026

So the vision of AI as a neutral arbiter of expert consensus is already at odds with how these systems actually behave. — William J. Brady, Chicago Tribune, 7 June 2026