/ Dictionary / Index I inveterate: Meaning and Definition of Find definitions for: in•vet•er•ate Pronunciation: (in-vet'ur-it), [key] — adj. settled or confirmed in a habit, practice, feeling, or the like: an inveterate gambler. firmly established by long continuance, as a disease, habit, practice, feeling, etc.; chronic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inveterate (Thesaurus) inveteracy inviable Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language