/ Thesaurus / C Synonyms of cleanliness Find synonyms for: Noun1. cleanliness, habit, useusage: the habit of keeping free of superficial imperfections2. cleanliness, traitusage: diligence in keeping cleanWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language