Ant. Spoil, mar, denude, deface.
Decorum. Dignity, order, propriety, seemliness.
Ant. Disorder, disturbance, unseemliness.
Decrease. Lessen, diminish, subside, want, dwindle, curtail, retrench, reduce, lower.
Ant. Increase, grow, augment, expand.
Decree. Decision, determination, law, edict, mandate, manifesto.
Ant. Suggestion, request, hint.
Decrepit. Weak, infirm, tottering, aged.
Ant. Strong, youthful.
Decry. Disparage, detract, depreciate, denounce, abase, traduce.