abase, abuse, adulterate, animalize, bastardize, blemish, blight, bribe, contaminate, damage, debase, debauch, decay, decompose, deface, defile, deform, degrade, demean, demoralize, deprave, depreciate, despoil, disfigure, disgrace, dishonor, fix, grease palm, harm, hurt, ill-treat, impair, infect, injure, lower, lure, maltreat, mar, mistreat, misuse, outrage, pull down, putrefy, ravage, reduce, rot, ruin, spoil, square, stain, suborn, subvert, taint, undermine, violate, vitiate, warp, waste
Antonyms: better, chasten, cleanse, dignify, improve, purify