disfigure — to mar the appearance or beauty of; deform; deface: Our old towns are increasingly disfigured by tasteless new buildings.
injure — to do or cause harm of any kind to; damage; hurt; impair: to injure one's hand.
mar — to damage or spoil to a certain extent; render less perfect, attractive, useful, etc.; impair or spoil: That billboard mars the view. The holiday was marred by bad weather.
spoil — to damage severely or harm (something), especially with reference to its excellence, value, usefulness, etc.: The water stain spoiled the painting. Drought spoiled the corn crop.