/ Dictionary / Index F F.F.I.: Meaning and Definition of Find definitions for: F.F.I. Pronunciation: [key] free from infection. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. FFC F.F.V. Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language