| decay(diminish, decrease, weaken, lessen, retreat) |
| degenerate(diminish, decrease, weaken, lessen, retreat) |
| deteriorate(diminish, decrease, weaken, lessen, retreat) |
| die down(expression, drop, decrease, lessen, retreat) |
| die out(expression, diminish, decrease, lessen, retreat) |
| drop(diminish, decrease, weaken, lessen, retreat) |
| ease off(expression, decrease, lessen, retreat, abate) |
| fade away(expression, diminish, decrease, lessen, retreat) |
| fall(diminish, decrease, weaken, lessen, retreat) |
| fall away(expression, drop, decrease, lessen, retreat) |
| fall back(expression, drop, decrease, lessen, retreat) |
| flag(drop, diminish, decrease, lessen, retreat) |
| flow back(expression, drop, decrease, lessen, retreat) |
| go out(expression, drop, decrease, lessen, retreat) |
| languish(drop, decrease, lessen, retreat, abate) |
| let up(expression, decrease, lessen, retreat, abate) |
| melt(diminish, decrease, weaken, lessen, retreat) |
| moderate(diminish, decrease, weaken, lessen, retreat) |
| peter out(expression, diminish, decrease, lessen, retreat) |
| relent(drop, diminish, decrease, lessen, retreat) |