/ Dictionary / Index P persistence: Meaning and Definition of Find definitions for: per•sist•ence Pronunciation: (pur-sis'tuns, -zis'-), [key] — n. the act or fact of persisting. the quality of being persistent: You have persistence, I'll say that for you. continued existence or occurrence: the persistence of smallpox. the continuance of an effect after its cause is removed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: persistence (Thesaurus) persist Persistence of Memory, The* Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language