| melt(verb, diminish, decrease, weaken, lessen) |
| minify(verb, decline, reduce, ease, diminish) |
| minimize(verb, decline, reduce, ease, diminish) |
| mitigate(verb, control, decline, reduce, restrain) |
| molder |
| narrow(verb, decline, reduce, ease, diminish) |
| pass away |
| perish |
| pine(verb, drop, close, decline, fall) |
| pop off |
| put a lid on(verb, expression, idiom, phrasal verb, calm) |
| qualify(verb, calm, control, quiet, cool) |
| quiesce |
| quiet down(verb, expression, phrasal verb, calm, quiet) |
| rebate(verb, drop, quiet, check, decline) |
| retire(verb, diminish, decrease, weaken, lessen) |
| retreat(verb, diminish, decrease, weaken, lessen) |
| retrocede(verb, drop, diminish, decrease, lessen) |
| roll back(verb, expression, phrasal verb, decline, reduce) |
| run down |