/ Dictionary / Index F faille: Meaning and Definition of Find definitions for: faille Pronunciation: (fīl, fāl Fr. fa&primy&supschwa), [key] — n. a soft, transversely ribbed fabric of silk, rayon, or lightweight taffeta. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: faille (Thesaurus) failing fail-safe Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language