/ Dictionary / Index U up-phase: Meaning and Definition of Find definitions for: up-phase Pronunciation: (up'fāz"), [key] — n. a period when the economy is strong and business profits are high or increasing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Upper Volta uppish Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language