/ Dictionary / Index U upswing: Meaning and Definition of Find definitions for: up•swing Pronunciation: (n.up'swing"v.up&sylpswing'), [key] — n., v., -swung, -swing•ing. —n. an upward swing or swinging movement, as of a pendulum. a marked increase or improvement: an upswing in stock prices. —v.i. to make or undergo an upswing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upswept upsy-daisy Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language