Entertainment / Tennis / Umpire: An independent person designated to enforce the rules of the game in a match, usually sitting on a high chair beside the net.
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Umpire Noun Synonyms: referee, arbitrate, judge, moderate, adjudicate, officiate
Umpire Adjective Synonyms: referee, arbiter, judge, moderator, adjudicator, arbitrator, official, ref, umpy, ump
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