| stricken(adjective, sick, affected, suffering, uncomfortable) |
| faint(adjective, weak, delicate, ill, sick) |
| flat(adjective, smooth, level) |
| ill(adjective, weak, delicate, sick, feeble) |
| below par(expression, adjective, weak, inadequate, sick) |
| down(verb, adjective, weak, shoot, inadequate) |
| prostrate |
| seedy |
| sick(adjective, weak, delicate, ill, feeble) |
| afflicted(adjective, sick, affected, suffering, infirm) |
| ailing(adjective, weak, delicate, ill, sick) |
| effete(enervated, senescent, irresilient) |
| far-gone(enervated, senescent, irresilient) |
| feeling awful(expression, enervated, senescent, irresilient) |
| infirm(adjective, weak, delicate, ill, sick) |
| neap |
| out of sorts(expression, idiom, infirm, poorly) |
| played out(expression, enervated, senescent, irresilient) |
| poorly(adjective, weak, inadequate, sick, feeble) |
| prone |