/ Dictionary / Index S spontaneity: Meaning and Definition of Find definitions for: spon•ta•ne•i•ty Pronunciation: (spon"tu-nē'i-tē, -nā'-), [key] — pl. -ties. the state, quality, or fact of being spontaneous. spontaneous activity. spontaneous impulses, movements, or actions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spontaneity (Thesaurus) sponsor spontaneous Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language