/ Dictionary / Index T TFX: Meaning and Definition of Find definitions for: TFX Pronunciation: [key] — Mil. Mil. (in designations of fighter aircraft) tactical fighter experimental. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tfr. TG Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language