/ Thesaurus / C Synonyms of common room Find synonyms for: Noun1. common room, living room, living-room, sitting room, front room, parlor, parlourusage: a sitting room (usually at school or university)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language