/ Dictionary / Index I inadequacy: Meaning and Definition of Find definitions for: in•ad•e•qua•cy Pronunciation: (in-ad'i-kwu-sē), [key] — pl. -cies the state or condition of being inadequate; insufficiency. something inadequate; defect: The plan has many inadequacies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inadequacy (Thesaurus) inactive inadequate Related Content Daily Word Quiz: irreparable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language