Ob-UgrianPronunciation: /ɒbˈuːgrɪən, -ˈjuː-/ (also Ob-Ugric /ɒbˈuːgrɪk/)Definition of Ob-Ugrian adjective of or denoting a branch of the Finno-Ugric language family containing two languages of western Siberia, related to Hungarian. noun [mass noun] the Ob-Ugrian group of languages. Origin: 1930s: from the name of the Siberian river Ob + UgrianOb-Ugrian in other Oxford dictionaries Definition of Ob-Ugrian in the US English dictionary