/ Dictionary / Index F futility: Meaning and Definition of Find definitions for: fu•til•i•ty Pronunciation: (fy-til'i-tē), [key] — pl. -ties the quality of being futile; ineffectiveness; uselessness. a trifle or frivolity: the large collection of futilities that clutter our minds. a futile act or event. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: futility (Thesaurus) futilitarian futon 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