overfurious UK /ˌəʊ.vəˈfjʊə.ɹɪ.əs/US /ˌoʊ.vɚˈfjʊ.ɹi.əs/ adjective1 •Excessively furious.But an overfurious blow of the hammer so injured the statue that he abandoned it as irrevocably spoiled. — 1953 formsmore overfurious · most overfurious