| weak(adjective, state, mean, bad, strong) |
| feeble(adjective, mean, bad, strong, light) |
| fragile(adjective, state, strong, light, weak) |
| delicate(adjective, state, mean, bad, strong) |
| flimsy(adjective, state, strong, light, weak) |
| infirm(adjective, mean, bad, strong, light) |
| decrepit(adjective, strong, light, weak, slight) |
| unsubstantial(adjective, strong, light, weak, slight) |
| debilitated(adjective, mean, bad, weak, thin) |
| unsound(adjective, strong, light, weak, slight) |
| rickety(adjective, mean, bad, weak, slight) |
| sickly(adjective, weak, thin, delicate, uncertain) |
| insubstantial(adjective, strong, light, weak, slight) |
| ailing(adjective, mean, bad, weak, thin) |
| shaky(adjective, weak, slight, thin, delicate) |
| unwell(adjective, mean, weak, sick) |
| sick(adjective, mean, bad, weak, delicate) |
| imperfect(adjective, mean, weak, down) |
| enfeebled(adjective, weak, thin, delicate) |
| faint(adjective, weak, soft, slight, gentle) |