/ Dictionary / Index M marplot: Meaning and Definition of Find definitions for: mar•plot Pronunciation: (mär'plot"), [key] — n. a person who mars or defeats a plot, design, or project by meddling. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marouflage Marq. Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language