| sickly(adjective, adverb, health, weak, sad) |
| unwell(adjective, mean, weak, disease) |
| sick(adjective, adverb, mean, bad, weak) |
| feeble(adjective, mean, bad, strong, weak) |
| infirm(adjective, mean, bad, weak, thin) |
| poorly(adjective, adverb, mean, weak, disease) |
| unsound(adjective, weak, delicate, dark, gloomy) |
| seedy(adjective, weak, disease, thin) |
| frail(adjective, mean, bad, weak, thin) |
| weak(adjective, mean, bad, thin, delicate) |
| delicate(adjective, mean, bad, weak, thin) |
| out of sorts(expression, adjective, idiom, disease) |
| bad(adjective, sad, unhappy, down) |
| debilitated(adjective, mean, bad, weak, thin) |
| fragile(adjective, weak, thin, delicate, unstable) |
| low(adjective, health, weak, sad, thin) |
| decrepit(adjective, weak, thin, delicate, unstable) |
| faint(adjective, weak, thin, delicate) |
| off-color(adjective, health, weak, thin) |
| peaky(adjective, weak, thin, feeble) |