/ Dictionary / Index F fulminant: Meaning and Definition of Find definitions for: ful•mi•nant Pronunciation: (ful'mu-nunt), [key] — adj. occurring suddenly and with great intensity or severity; fulminating. developing or progressing suddenly: fulminant plague. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fulminant (Thesaurus) fulmar fulminate Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language