/ Dictionary / Index M mondo: Meaning and Definition of Find definitions for: mon•do Pronunciation: (mon-dō'), [key] — pl. -dos. a question to a student for which an immediate answer is demanded, the spontaneity of which is often illuminating. Cf. mondo Pronunciation: [key] —adv. very; extremely: mondo cool. —adj. large; big: a mondo history paper. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mondegreen mondo grass Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language