| go off(verb, expression, phrasal verb, deterioration) |
| hit the skids(verb, expression, idiom, drop, strong) |
| lighten(verb, drop, dull, cut, decline) |
| molder(verb, stop, end, decline, pass) |
| pass off(verb, expression, phrasal verb) |
| putrefy(verb, decline, weaken, lessen, degenerate) |
| regress(verb, decline, reduce, fall, diminish) |
| retire(verb, drop, close, go, decline) |
| retrogress(verb, drop, close, decline, reduce) |
| slacken(verb, stop, drop, cut, decline) |
| slice |
| slide(verb, drop, decline, fall, fail) |
| stale(adjective, insipidity) |
| totter(verb, decline, reduce, fail, halt) |
| turn pale(expression, idiom) |
| wash out(verb, expression, phrasal verb, dull, lose) |
| wear away(verb, expression, stop, break, drop) |
| worsen(verb, drop, decline, fall, fail) |
| abscond(verb, break, get, go, run) |
| achromatize(verb, dull, lose, lighten, blotched) |