/ Dictionary / Index D dependence: Meaning and Definition of Find definitions for: de•pend•ence Pronunciation: (di-pen'duns), [key] — n. the state of relying on or needing someone or something for aid, support, or the like. reliance; confidence; trust: Her complete reliability earned her our dependence. an object of reliance or trust. the state of being conditional or contingent on something, as through a natural or logical sequence: the dependence of an effect upon a cause. the state of being psychologically or physiologically dependent on a drug after a prolonged period of use. subordination or subjection: the dependence of Martinique upon France. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dependence (Thesaurus) dependant dependency 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