/ Thesaurus / A Synonyms of auxiliary verb Find synonyms for: Noun1. auxiliary verb, verbusage: a verb that combines with another verb in a verb phrase to help form tense, mood, voice, or condition of the verb it combines withWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language