Defaces is a verb that refers to the act of damaging the appearance of something. Synonyms for defaces include disfigures, blemishes, mar, spoils, scars, ruins, blots, tarnishes, and vandalizes. Disfigures suggest a distortion of the original shape or form. Blemishes imply small imperfections. Mar applies to a more significant, unsightly injury. Spoils refer to impairing something's perfection or completeness. Scars refer to damages to the surface. Ruins convey the idea of destroying something's value. Blots imply visible stains or marks. Tarnishes refer to something weakening in quality over time. Vandalizes suggest willful and malicious destruction. These synonyms for defaces offer a variety of ways to describe an object's physical harm.