/ Dictionary / Index U upshift: Meaning and Definition of Find definitions for: up•shift Pronunciation: (up'shift"), [key] — v.i. to shift an automotive transmission or vehicle into a higher gear. —v.t. to shift (an automotive transmission or vehicle) into a higher gear. —n. an act or instance of upshifting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upsetting moment upshot Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language