judge; someone with the power to settle matters at will
Arbiter in a sentence
The arbiter made a final decision in the labor dispute.
Synonyms for arbiter
judge
mediator
referee
Antonyms for arbiter
disputant
party
contender
Practice arbiter on real SAT questions
Vocabulary like arbiter appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.