| blighted |
| break(verb, decline, fail, lower, weaken) |
| cheapen(verb, drop, fall, fail, diminish) |
| corrupt(verb, decline, reduce, weaken, degenerate) |
| debase(verb, decline, weaken, degenerate, deteriorate) |
| debilitate(verb, decline, weaken, degenerate, deteriorate) |
| decay(verb, drop, decline, reduce, fall) |
| decrease(verb, drop, reduce, fall, fail) |
| degrade(verb, decline, weaken, degenerate, deteriorate) |
| deprave(verb, decline, reduce, weaken, degenerate) |
| descend(verb, decline, reduce, degenerate, deteriorate) |
| diminish(verb, drop, fall, fail, return) |
| disimprove(verb, drop, decline, reduce, fall) |
| droop(verb, drop, fall, fail, diminish) |
| ebb(verb, drop, decline, fall, fail) |
| fall apart(verb, expression, decline, degenerate, deteriorate) |
| fall off(verb, expression, phrasal verb, drop, reduce) |
| flag(verb, drop, decline, fall, fail) |
| go to pieces(verb, expression, idiom, decline, degenerate) |
| impair(verb, decline, weaken, degenerate, deteriorate) |