| weaken(verb, drop, close, decline, fall) |
| become extinct |
| decay(verb, drop, decline, fall, diminish) |
| dissolve(verb, decline, fall, fail, diminish) |
| expire |
| fade away(verb, expression, phrasal verb, drop, decline) |
| fade out(verb, expression, decline, fail, diminish) |
| fall off(verb, expression, drop, decline, diminish) |
| languish(verb, quiet, decline, fall, fail) |
| perish(verb, decline, fall, fail, diminish) |
| recede(verb, close, ease, diminish, decrease) |
| shrink(verb, drop, decline, reduce, diminish) |
| sink(verb, drop, decline, fall, fail) |
| slacken(verb, decline, ease, diminish, yield) |
| slow(verb, moderate, yield, surrender, quit) |
| taper off(verb, expression, phrasal verb, close, decline) |
| vanish(verb, decline, fall, fail, diminish) |
| acquiesce(verb, yield, surrender, quit, relax) |
| bate(verb, drop, close, decline, fall) |
| be merciful(verb, moderate, yield, surrender, quit) |