/ Dictionary / Index D diseconomy: Meaning and Definition of Find definitions for: dis•e•con•o•my Pronunciation: (dis"i-kon'u-mē), [key] — pl. -mies a lack of economy. something that adds costs, as opposed to something that contributes to economy or efficiency. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diseased disegno* Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language