Breadcrumb Home > Dictionary > Index H halitosis: Meaning and Definition of Find definitions for: hal•i•to•sis Pronunciation: (hal"i-tō'sis), [key] — n. a condition of having offensive-smelling breath; bad breath. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: halitosis (Thesaurus) halite halitus ✖ Related Content Daily Word Quiz: rocrustean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language