| decrease(verb, end, decline, reduce, fail) |
| degenerate(verb, decline, weaken, lessen, deteriorate) |
| die(verb, break, decline, fail, dry) |
| die away(verb, expression, phrasal verb, decline, reduce) |
| die out(verb, expression, phrasal verb, end, decline) |
| disintegrate(verb, decline, separate, weaken, lessen) |
| fail(verb, break, go, end, decline) |
| flag(verb, break, decline, fall, fail) |
| melt(verb, decline, fall, fail, diminish) |
| molder(verb, decline, weaken, lessen, stain) |
| perish(verb, decline, separate, fall, fail) |
| peter out(verb, expression, phrasal verb, go, end) |
| sag(verb, fail, faint, wither, shrivel) |
| subside(verb, decline, diminish, decrease, lessen) |
| abate(verb, end, decline, fall, fail) |
| break up(verb, expression, phrasal verb, decline, separate) |
| corrode(verb, decline, weaken, lessen, exhaust) |
| decompose(verb, decline, separate, weaken, lessen) |
| droop(verb, decline, fall, fail, diminish) |
| eat(verb, exhaust, drain, wear, erode) |