postclassical Syllabification: (post·clas·si·cal)Pronunciation: /ˌpōstˈklasəkəl/Definition of postclassical adjective of or relating to a time after the classical period of any language, art, or culture, in particular the classical period of ancient Greek and Latin culture. postclassical in other Oxford dictionaries Definition of postclassical in the British & World English dictionary