/ Dictionary / Index R responsibility: Meaning and Definition of Find definitions for: re•spon•si•bil•i•ty Pronunciation: (ri-spon"su-bil'i-tē), [key] — pl. -ties. the state or fact of being responsible. an instance of being responsible: The responsibility for this mess is yours! a particular burden of obligation upon one who is responsible: the responsibilities of authority. a person or thing for which one is responsible: A child is a responsibility to its parents. reliability or dependability, esp. in meeting debts or payments. on one's own initiative or authority: He changed the order on his own responsibility. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: responsibility (Thesaurus) response time responsible Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language