| impair(verb, decline, fail, diminish, lower) |
| incline |
| injure(verb, decline, weaken, degenerate, deteriorate) |
| keel |
| lean |
| lessen(verb, drop, decline, reduce, fall) |
| let up(verb, expression, phrasal verb, stop, end) |
| list |
| lose it(verb, expression, phrasal verb, decline, fail) |
| lose power(verb, expression, stop, end, decline) |
| 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) |
| melt away(verb, expression, phrasal verb, stop, end) |
| miss the mark(verb, expression, idiom, decline, fall) |
| moderate(verb, stop, end, pass, fall) |
| molder(verb, stop, end, decline, pass) |
| parachute |
| pass(verb, stop, end, fall, fail) |