/ Dictionary / Index F Fidelism: Meaning and Definition of Find definitions for: Fi•del•ism Pronunciation: (fi-del'iz-um), [key] — n. Castroism. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fidelio* Fidelista Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language