| sicken(verb, decline, weaken, lessen, degenerate) |
| sink(verb, decline, weaken, lessen, degenerate) |
| slump(verb, decline, weaken, lessen, degenerate) |
| spoil(verb, decline, weaken, lessen, degenerate) |
| suppurate(verb, decline, weaken, lessen, degenerate) |
| turn(verb, decline, weaken, lessen, degenerate) |
| wane(verb, decline, weaken, lessen, degenerate) |
| waste away(verb, expression, phrasal verb, decline, weaken) |
| wear away(verb, expression, phrasal verb, decline, weaken) |
| atrophy(verb, decline, degenerate, deteriorate, wane) |
| decay(verb, deteriorate, crumble, rot, decompose) |
| weaken(verb, decline, degenerate, deteriorate, worsen) |
| wither(verb, decline, degenerate, deteriorate, wane) |
| atrophied(verb, degenerate, deteriorate, crumble, decompose) |
| become tainted(verb, expression, molder, curdled, putresce) |
| become useless(verb, expression, molder, curdled, putresce) |
| blighted |
| break down(verb, expression, molder, curdled, putresce) |
| breaking down(verb, expression, molder, curdled, putresce) |
| curdled(verb, lessen, degenerate, deteriorate, wane) |