| ebb(verb, break, decline, fall, fail) |
| fag out(verb, expression, phrasal verb, break, quiet) |
| waste away(verb, expression, phrasal verb, break, decline) |
| wilt(verb, break, decline, fall, fail) |
| abate(verb, decline, fall, fail, diminish) |
| attenuate(verb, quiet, decline, fall, fail) |
| be disregarded(verb, break, fail, weaken, suffer) |
| be neglected(verb, break, fail, weaken, suffer) |
| brood(verb, break, fail, weaken, suffer) |
| clear(verb, decline, fall, fail, diminish) |
| conk out(verb, expression, phrasal verb, break, fail) |
| decline(verb, break, reduce, fall, fail) |
| degenerate(verb, reduce, deteriorate, decay, worsen) |
| deliquesce(verb, quiet, decline, fall, fail) |
| desire(verb, break, fail, weaken, suffer) |
| despond(verb, break, fail, weaken, suffer) |
| deteriorate(verb, break, decline, reduce, fall) |
| die away(verb, expression, phrasal verb, quiet, decline) |
| die out(verb, expression, phrasal verb, decline, fall) |
| dim(verb, quiet, decline, fall, fail) |