/ Thesaurus / S Synonyms of sterileness Find synonyms for: Noun1. asepsis, antisepsis, sterility, sterileness, sanitarinessusage: (of non-living objects) the state of being free of pathogenic organismsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language