/ Thesaurus / M Synonyms of mouth hole Find synonyms for: Noun1. mouth hole, holeusage: a hole (as in a ski mask) for the mouthWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language