| frenetic(adjective, maniacal) |
| be worse for wear(verb, decline, fail, lower, degenerate) |
| become worse(verb, expression, decline, fail, lower) |
| break(verb, decline, fail, lower, degenerate) |
| break down(verb, expression, phrasal verb, decline, yield) |
| breaking down(verb, expression, decline, tumble, litter) |
| come apart(verb, expression, phrasal verb, scare, become) |
| crumble(verb, decline, fail, lower, degenerate) |
| decay(verb, decline, fail, lower, degenerate) |
| decompose(verb, decline, fail, lower, degenerate) |
| deteriorate(verb, decline, reoccur, unsay, unsaying) |
| dilapidate(verb, decline, reoccur, unsay, unsaying) |
| disimprove(verb, decline, fail, lower, degenerate) |
| disintegrate(verb, decline, fail, lower, degenerate) |
| fade away(verb, expression, decline, reoccur, unsay) |
| fading away(verb, expression, decline, reoccur, unsay) |
| get worse(verb, expression, decline, reoccur, unsay) |
| getting worse(verb, expression, decline, reoccur, unsay) |
| give way(verb, expression, phrasal verb, yield, collapse) |
| go bad(verb, expression, decline, reoccur, unsay) |