/ Dictionary / Index P progressivism: Meaning and Definition of Find definitions for: pro•gres•siv•ism Pronunciation: (pru-gres'u-viz"um), [key] — n. the principles and practices of progressives. (cap.) the doctrines and beliefs of the Progressive party. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: progressivism (Thesaurus) progressive-resistance exercise pro-growth Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language