/ Dictionary / Index M Marxian: Meaning and Definition of Find definitions for: Marx•i•an Pronunciation: (märk'sē-un), [key] — adj. of or pertaining to Karl Marx or his theories. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marx Brothers Marxism 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