/ Thesaurus / R Synonyms of religiousness Find synonyms for: Noun1. devoutness, religiousness, piety, piousnessusage: piety by virtue of being devout2. religiousness, conscientiousnessusage: the quality of being extremely conscientious; "his care in observing the rules of good health amounted to a kind of religiousness"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language