† impurpure,v.Sc.Obs. Also 7 em-. [f. im-1 + purpure, earlier form of purple.] trans. To make purple; to empurple. 1552Lyndesay MonarcheProl. 146 Quhose donke impurpurit vestiment nocturnall, With his imbroudit mantyll matutyne.1628Sir W. Mure Spir. Hymne 114 Empurp'ring thy vnstained face.