/ Dictionary / Index M monophyletic: Meaning and Definition of Find definitions for: mon•o•phy•let•ic Pronunciation: (mon"ō-fī-let'ik), [key] — adj. consisting of organisms descended from a single taxon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monophthongize monophyllous 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