Babylonian Syllabification: (Bab·y·lo·ni·an)Pronunciation: /ˌbabəˈlōnēən/Definition of Babylonian noun 1an inhabitant of Babylon or Babylonia. 2the dialect of Akkadian spoken in ancient Babylon. adjective of or relating to Babylon or Babylonia. Babylonian in other Oxford dictionaries Definition of Babylonian in the British & World English dictionary