/ Dictionary / Index M Marx: Meaning and Definition of Find definitions for: Marx Pronunciation: (märks Ger. märks), [key] 1818–83, German economist, philosopher, and socialist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: marx (Thesaurus) Marwar Marx Brothers Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language