/ Dictionary / Index F falsity: Meaning and Definition of Find definitions for: fal•si•ty Pronunciation: (fôl'si-tē), [key] — pl. -ties. the quality or condition of being false; incorrectness; untruthfulness; treachery. something false; falsehood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: falsity (Thesaurus) falsify Falstaff Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language