Thucydides Syllabification: (Thu·cyd·i·des)Pronunciation: /THo͞oˈsidēˌdēz/Definition of Thucydides (circa 455-circa 400 bc), Greek historian. Remembered for his History of the Peloponnesian War, he fought in the conflict on the Athenian side. Thucydides in other Oxford dictionaries Definition of Thucydides in the British & World English dictionary
