/ Dictionary / Index P Progressive Conservative: Meaning and Definition of Find definitions for: Progres'sive Conserv'ative Pronunciation: [key] a member of the Progressive Conservative party of Canada. of or pertaining to the Progressive Conservative party of Canada. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. progressive assimilation Progressive Conservative party 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