/ Dictionary / Index P purple passion: Meaning and Definition of Find definitions for: pur'ple pas'sion Pronunciation: [key] a variety of the velvet plant, Gynura aurantiaca, having trailing stems and leaves densely covered with purple hairs, grown as a houseplant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. purple of Cassius purple prose Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language