/ Dictionary / Index F frequent flier: Meaning and Definition of Find definitions for: fre'quent fli'er Pronunciation: [key] an airline passenger registered with a program that provides bonuses, as upgrades or free flights, based esp. on distance traveled. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frequentative frequently 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