/ Thesaurus / N Synonyms of nonobservant Find synonyms for: Adjective1. nonobservant, irreligious (vs. religious)usage: failing or refusing to observe religious customsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language