Bosnian Syllabification: (Bos·ni·an)Pronunciation: /ˈbäznēən/Translate Bosnian | into French | into German | into Italian | into Spanish Definition of Bosnian noun 1a native or inhabitant of the Balkan country Bosnia and Herzegovina. 2the Slavic language of the Bosnians. adjective relating to Bosnia and Herzegovina, its people, or their language. Bosnian in other Oxford dictionaries Definition of Bosnian in the British & World English dictionary