/ Dictionary / Index U upspring: Meaning and Definition of Find definitions for: up•spring Pronunciation: (v.up-spring',n.up'spring"), [key] — v., n. -sprang -sprung, -sprung, -spring•ing, —v.i. to spring up. to come into being or existence; arise: Prosperity began to upspring after the war. —n. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upspin upstage Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language