/ Thesaurus / U Synonyms of unhygienic Find synonyms for: Adjective1. unhygienic, unsanitary (vs. sanitary), insanitary, unhealthfulusage: unclean and constituting a likely cause of disease; "pathetic dogs kept in small unhygienic cages"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language