/ Dictionary / Index M monadnock: Meaning and Definition of Find definitions for: mo•nad•nock Pronunciation: (mu-nad'nok), [key] — n. a residual hill or mountain standing well above the surface of a surrounding peneplain. (cap.) a mountain peak in SW New Hampshire. 3186 ft. (971 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monadism Monaghan Related Content Daily Word Quiz: ephemeral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language