/ Thesaurus / R Synonyms of roof of the mouth Find synonyms for: Noun1. palate, roof of the mouth, surfaceusage: the upper surface of the mouth that separates the oral and nasal cavitiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language