abase

befoul, begrime, contaminate, defile, dilute, dirty, pollute, taint, thin, water down, weaken

descend

disgrace, dishonor, humble, humiliate, shame, take down

blemish, damage, deface, destroy, flaw, harm, hurt, impair, mar, ruin, spoil, stain, tarnish, wreck

depreciate, downgrade

abash, confound, confuse, discomfit, disconcert, discountenance, embarrass, faze, fluster, mortify, nonplus, rattle

belittle, castigate, criticize, cry down, decry, depreciate, detract, diminish, discount, disparage, minimize, put down, ridicule, write off

bad-mouth, defame, defile, libel, malign, slander

affront, insult

censure, condemn, damn, denounce, execrate, reprehend, reprobate