/ Dictionary / Index H habit-forming: Meaning and Definition of Find definitions for: hab•it-form•ing Pronunciation: (hab'it-fôr"ming), [key] — adj. tending to cause or encourage addiction, esp. through physiological dependence: habit-forming drugs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: habit-forming (Thesaurus) habited habitual Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language