| conserve(verb, keep, manage, protect, save) |
| cook(control, restrain, diminish, decrease, limit) |
| coppice |
| cramp(reduce, restrain, halt, limit, restrict) |
| curtail expenses |
| cut down on(verb, expression, idiom, keep, sustain) |
| cut off(verb, expression, cut, condense, trim) |
| damp |
| dampen |
| debase(verb, cut, reduce, diminish, lower) |
| decelerate(verb, reduce, restrain, delay, moderate) |
| decline(verb, reduce, ease, diminish, lower) |
| decorticate(cut, trim, strip, slash, brush) |
| degrade(verb, decline, reduce, ease, diminish) |
| delay(verb, reduce, restrain, moderate, decrease) |
| detract |
| die down(verb, expression, decline, reduce, ease) |
| diet(verb, cut, reduce, diminish, lower) |
| discount(verb, take, cut, remove, reduce) |
| disregard |