Finnic Syllabification: (Finn·ic)Pronunciation: /ˈfinik/Definition of Finnic adjective 1of, relating to, or denoting the group of Finno-Ugric languages that includes Finnish and Estonian. 2of, relating to, or denoting the group of peoples that includes the Finns and the Estonians. Finnic in other Oxford dictionaries Definition of Finnic in the British & World English dictionary