/ Dictionary / Index U uprate: Meaning and Definition of Find definitions for: up•rate Pronunciation: (up-rāt'), [key] — -rat•ed, -rat•ing. to raise in rate, power, size, classification, etc.; upgrade: to uprate a rocket engine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upraise uprear 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