defacev. t.[OE. defacen to disfigure, efface, OF. desfacier; L. dis- + facies face. See Face, and cf. Efface.]1. To destroy or mar the face or external appearance of; to disfigure; to injure, spoil, or mar, by effacing or obliterating important features or portions of; as, to deface a monument; to deface an edifice; to deface writing; to deface a note, deed, or bond; to deface a record.(Emerson.)So by false learning is good sense defaced. (Pope.)[Cf. F. dfaire.]2. To destroy; to make null.()[Profane scoffing] doth . . . deface the reverence of religion. (Bacon.)For all his power was utterly defaste [defaced]. (Spenser.)()