| injure(verb, decline, weaken, degenerate, deteriorate) |
| languish(verb, drop, decline, fall, fail) |
| lapse(verb, drop, decline, reduce, fall) |
| lose it(verb, expression, phrasal verb, decline, fail) |
| lose quality(verb, expression, decline, fail, lower) |
| lose value(verb, expression, drop, decline, fall) |
| lower(verb, drop, decline, fall, fail) |
| mar(verb, decline, weaken, degenerate, deteriorate) |
| pervert(verb, decline, weaken, degenerate, deteriorate) |
| pine(verb, drop, fall, fail, diminish) |
| recede(verb, drop, decline, fall, fail) |
| regress(verb, decline, reduce, weaken, degenerate) |
| relapse(verb, drop, reduce, fall, fail) |
| retrograde(verb, drop, decline, fall, fail) |
| retrogress(verb, decline, reduce, degenerate, deteriorate) |
| return(verb, drop, reduce, fall, fail) |
| revert(verb, drop, decline, reduce, fall) |
| sag(verb, drop, fall, fail, diminish) |
| settle(verb, drop, fall, fail, diminish) |
| shrink(verb, drop, fall, fail, diminish) |