Synonyms of umpire in English:

umpire


See definition of umpire

noun

1‘the crowd were clamouring for the umpire to reverse the decision’

SYNONYMS
referee, linesman, referee's assistant, assistant referee, judge, line judge, chair umpire, adjudicator, arbitrator, arbiter, moderator, overseer, supervisor
informal ref
North American informal ump

verb

1‘he umpired boat races on the River Wear’

SYNONYMS
referee, adjudicate, arbitrate, judge, moderate, oversee, supervise
stand
informal ref