/ Dictionary / Index S Social Democratic Workingmen's party: Meaning and Definition of Find definitions for: So'cial Democrat'ic Work'ingmen's par"ty Pronunciation: [key] the name of the Socialist Labor party from 1874 to 1877. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Social Democratic party social differentiation Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language