/ Dictionary / Index I inhalant: Meaning and Definition of Find definitions for: in•hal•ant Pronunciation: (in-hā'lunt), [key] — n. a medicine, allergen, or other substance that is inhaled. any volatile substance, as nitrous oxide, butyl nitrite, toluene, gasoline, or paint thinner, capable of being inhaled, sometimes abused for its intoxicating effect. inhaler. —adj. used for inhaling. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inhalant (Thesaurus) inhabiter inhalation Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language