| cross(verb, frustrate, blank, thwart, baffle) |
| curb(verb, restrain, crush, suppress, subdue) |
| cut |
| cut down |
| cut off(verb, expression, phrasal verb, restrain, crush) |
| cut prices |
| damage(verb, lower, disparage, degrade, debase) |
| dampen the spirits(expression, idiom) |
| debilitate(verb, upset, trouble, dull, reduce) |
| decry(verb, lower, disparage, degrade, debase) |
| degrade(verb, upset, trouble, dull, reduce) |
| demean(verb, lower, disparage, degrade, debase) |
| demoralize(verb, trouble, bother, confuse, depress) |
| denigrate(verb, lower, disparage, degrade, debase) |
| derogate(verb, lower, disparage, degrade, debase) |
| desolate(verb, upset, trouble, dull, reduce) |
| devaluate |
| devalue(verb, lower, disparage, degrade, debase) |
| devitalize(verb, upset, dull, reduce, disturb) |
| dicker |