| go to seed(verb, expression, idiom, decline, weaken) |
| mildew(verb, decline, weaken, lessen, degenerate) |
| mortify(decline, weaken, lessen, degenerate, deteriorate) |
| putresce(verb, decline, weaken, lessen, degenerate) |
| suppurate(decline, weaken, lessen, degenerate, deteriorate) |
| wane(verb, stop, end, decline, pass) |
| wear away(verb, expression, stop, end, decline) |
| wither(verb, stop, break, end, decline) |
| addle(verb, decay, taint, decompose) |
| be impaired(decline, weaken, lessen, degenerate, deteriorate) |
| become contaminated(expression, decline, weaken, lessen, degenerate) |
| blight(verb, decline, weaken, lessen, degenerate) |
| collapse(break, beat, decline, crush, split) |
| curdle(verb, dull, decline, spoil, weaken) |
| decline(verb, stop, break, end, pass) |
| defile(verb, decline, weaken, lessen, degenerate) |
| degenerate(verb, stop, break, end, beat) |
| depreciate(decline, weaken, lessen, degenerate, deteriorate) |
| discolor(verb, decline, weaken, lessen, degenerate) |
| dry-rot(decline, weaken, lessen, degenerate, deteriorate) |