/ Dictionary / Index S Sullivan: Meaning and Definition of Find definitions for: Sul•li•van Pronunciation: (sul'u-vun), [key] — n. (Anne Mansfield Sullivan Macy), 1866–1936, U.S. teacher of Helen Keller. 1842–1900, English composer: collaborator with Sir William Gilbert. 1902–74, U.S. journalist and television host. 1892–1949, U.S. psychiatrist. 1858–1918, U.S. boxer: world heavyweight champion 1882–92. 1856–1924, U.S. architect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sullivan (Thesaurus) sullen sully Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language