abase, canker, cheapen, corrupt, debase, debauch, degrade, demean, demoralize, deprave, deteriorate, lessen, pervert, poison, profane, prostitute, subvert, vitiate, warp

befoul, begrime, contaminate, defile, dilute, dirty, pollute, taint, thin, water down, weakendescenddisgrace, dishonor, humble, humiliate, shame, take downblemish, damage, deface, destroy, flaw, harm, hurt, impair, mar, ruin, spoil, stain, tarnish, wreckdepreciate, downgrade

elevate, ennoble, uplift

dignify, exalt, honorameliorate, amend, better, enhance, enrich, improve, meliorate, perfectclarify, clean, cleanse, purify, refine, restorerespect