BosnianPronunciation: /ˈbɒznɪən/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. 2 [mass noun] the 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 US English dictionary