de·face 
(dĭ-fās)
(dĭ-fās)tr.v. de·faced, de·fac·ing, de·fac·es
1. To mar or spoil the appearance or surface of; disfigure.
2. To impair the usefulness, value, or influence of.
3. Obsolete To obliterate; destroy.
[Middle English defacen, from Old French desfacier : des-, de- + face, face; see FACE.]
de·facea·ble adj.
de·facement n.
de·facer n.