/ Dictionary / Index D dependency: Meaning and Definition of Find definitions for: de•pend•en•cy Pronunciation: (di-pen'dun-sē), [key] — pl. -cies. the state of being dependent; dependence. something dependent or subordinate; appurtenance. an outbuilding or annex. a subject territory that is not an integral part of the ruling country. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dependency (Thesaurus) dependence dependency-prone Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language