Odysseus Syllabification: (O·dys·se·us)Pronunciation: /ōˈdisēəs, ōˈdisyo͞os/ Greek MythologyDefinition of Odysseus the king of Ithaca and central figure of the Odyssey, renowned for his cunning and resourcefulness. Roman name Ulysses.Odysseus in other Oxford dictionaries Definition of Odysseus in the British & World English dictionary