/ Dictionary / Index S surprisal: Meaning and Definition of Find definitions for: sur•pris•al Pronunciation: (sur-prī'zul), [key] — n. the act of surprising. the state of being surprised. a surprise. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: surprisal (Thesaurus) surprint surprise Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language