| oldish(enervated, senescent, irresilient) |
| out of action(expression, idiom, sick, unhealthy, unfit) |
| over the hill(expression, idiom, enervated, senescent, irresilient) |
| overrefined(degenerate, enervated, senescent, irresilient, unchaste) |
| overripe(degenerate, enervated, senescent, irresilient, unchaste) |
| pallid(sick, unfit, sickly) |
| played out(expression, degenerate, enervated, senescent, irresilient) |
| poorly(sick, unhealthy, unfit, sickly, flabby) |
| puny(unhealthy, unfit, flabby) |
| ragged(shabby, dilapidated, ramshackle) |
| sapless(degenerate, enervated, senescent, wornout, irresilient) |
| senescent(enervated, irresilient) |
| senile(enervated, senescent, irresilient) |
| sensile(enervated, senescent, irresilient) |
| shaky(sick, unhealthy, unfit, sickly, flabby) |
| sick(unhealthy, unfit, sickly, flabby) |
| sick as a dog(expression, idiom, enervated, senescent, irresilient) |
| sick as dog(expression, idiom, enervated, senescent, irresilient) |
| sickly(sick, unhealthy, unfit, flabby) |
| sidelined(enervated, senescent, irresilient) |