/ Dictionary / Index M monadism: Meaning and Definition of Find definitions for: mon•ad•ism Pronunciation: (mon'u-diz"um, mō'nad-iz"um), [key] — n. Philos. the doctrine of monads as ultimate units of being. (sometimes cap.) the philosophy of Leibniz. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monades monadnock Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language