/ Thesaurus / U Synonyms of undeferential Find synonyms for: Adjective1. undeferential, disrespectful (vs. respectful)usage: not showing courteous respectWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: polyglot Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language