Sardinian Syllabification: (Sar·din·i·an)Pronunciation: /särˈdinēən/Translate Sardinian | into Italian Definition of Sardinian adjective of or relating to Sardinia, its people, or their language. noun 1a native or inhabitant of Sardinia. 2the Romance language of Sardinia, which has several distinct dialects. Sardinian in other Oxford dictionaries Definition of Sardinian in the British & World English dictionary