/ Dictionary / Index F fulgurant: Meaning and Definition of Find definitions for: ful•gu•rant Pronunciation: (ful'gyur-unt), [key] — adj. flashing like lightning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fulgurant (Thesaurus) fulgent fulgurate Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language