verb
devalue, lose value
Synonyms: abate, cheapen, decay, decrease, decry, deflate, depress, deteriorate, devalorize, diminish, downgrade, drop, dwindle, erode, fall, lessen, lower, mark down, reduce, soften, underrate, undervalue, worsen, write down, write off
Antonyms: gain value, increase, overrate, raise, rate
verb
belittle, ridicule
Synonyms: abuse, asperse, attack, calumniate, censure, clamor against, condemn, contemn, decry, defame, denigrate, denounce, deprecate, deride, derogate, detract, discount, discountenance, discredit, disgrace, disparage, dispraise, fault, find fault with, humble, knock, look down on, lower, malign, minimize, put down, rap, revile, roast, run down, scoff at, scorn, slam, slander, slight, slur, smear, sneer at, spurn, take down a peg, traduce, underestimate, underrate, undervalue, vilify
Antonyms: approve, commend, compliment, exalt, laud, praise, recommend