Schopenhauer, Arthur Syllabification: (Scho·pen·hau·er, Arthur)Pronunciation: /ˈSHōpənˌhou-ər/Definition of Schopenhauer, Arthur (1788–1860), German philosopher. According to his philosophy, as expressed in The World as Will and Idea (1818), the will is identified with ultimate reality and happiness is only achieved by abnegating the will (as desire). Schopenhauer, Arthur in other Oxford dictionaries Definition of Schopenhauer, Arthur in the British & World English dictionary