/ Dictionary / Index M monstrosity: Meaning and Definition of Find definitions for: mon•stros•i•ty Pronunciation: (mon-stros'i-tē), [key] — pl. -ties. the state or character of being monstrous. a monster or something monstrous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monstrosity (Thesaurus) monstrance monstrous Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language