/ Dictionary / Index S surprise party: Meaning and Definition of Find definitions for: surprise' par"ty Pronunciation: [key] a party or celebration planned for someone as a surprise. something that surprises someone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. surprise Surprise Symphony* Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language