† exˈtersive,a.Obs.rare. [f. L. type *extersīvus: see exterse and -ive.] Having the property of wiping off or out; cleansing. 1657Tomlinson Renou's Disp. 700 We have..concinnated this..extersive Medicament.1661Lovell Hist.Anim. & Min. 73 The ashes..are extersive and digesting.