/ Dictionary / Index F frondeur: Meaning and Definition of Find definitions for: fron•deur Pronunciation: (fron-dûr' Fr. frôn-dœr'), [key] — pl. -deurs a rebel; rioter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frondescence Frondizi Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language