Celtiberian /ˌkɛlt.ɪˈbɪ(ə)ɹ.i.ən/adjective 1noun 1forms 1 adjective1 •Pertaining to these people or their language. noun1 •A member of a Celtic people living in the Iberian Peninsula, chiefly in what is now north central Spain, before and during the Roman Empire. formsCeltiberians
