/ Thesaurus / U Synonyms of unvented Find synonyms for: Adjective1. unvented, unventilated (vs. ventilated)usage: not provided with ventsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language