From Longman Dictionary of Contemporary EnglishHellenisticHel‧le‧nis‧tic /ˌheləˈnɪstɪk◂/ adjective connected with the history, literature, art etc of ancient Greece and the eastern Mediterranean. The centre of the Hellenistic world was Alexandria in Egypt, and the Hellenistic period continued until about 30 BC, when Egypt became part of the Roman Empire.