/ Dictionary / Index P progressist: Meaning and Definition of Find definitions for: prog•ress•ist Pronunciation: (prog'res-ist, -ru-sist or, esp. Brit. prō'gres-ist, -gru-sist), [key] — n. a person favoring progress, as in politics; progressive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. progressionist progressive Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language