| exhaust(verb, dull, quiet, end, decline) |
| grow less(verb, expression, idiom, stop, drop) |
| hamper |
| hang |
| hinder(verb, stop, control, set, check) |
| impoverish(verb, cut, decline, reduce, fail) |
| make smaller(verb, expression, idiom, reduce, moderate) |
| melt away(verb, expression, phrasal verb, quiet, decline) |
| pass |
| quell(verb, stop, calm, drop, order) |
| rebate(noun, verb, drop, take, end) |
| relent(verb, calm, control, quiet, help) |
| roll back(verb, expression, phrasal verb, take, cut) |
| sag(verb, drop, decline, fall, fail) |
| sap(verb, dull, decline, reduce, fail) |
| slack off(verb, expression, drop, quiet, cut) |
| smooth(verb, calm, quiet, help, reduce) |
| smother(verb, calm, order, dull, quiet) |
| soft-pedal(verb, calm, control, decline, reduce) |
| stem(verb, stop, slow, staunch) |