/ Dictionary / Index S Socialist party: Meaning and Definition of Find definitions for: So'cialist par'ty Pronunciation: [key] a U.S. political party advocating socialism, formed about 1900 chiefly by former members of the Social Democratic party and the Socialist Labor party. any political party advocating socialism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Socialist Labor party socialist realism Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language