/ Dictionary / Index E excitant: Meaning and Definition of Find definitions for: ex•cit•ant Pronunciation: (ik-sīt'nt, ek'si-tunt), [key] — adj. exciting; stimulating. —n. something that excites; a stimulant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: excitant (Thesaurus) excitable excitation Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language