| feeble(adjective, mean, bad, strong, weak) |
| weak(adjective, mean, beat, bad, strong) |
| frail(adjective, mean, bad, weak, thin) |
| infirm(adjective, mean, bad, weak, thin) |
| enfeebled(verb, adjective, weak, thin, delicate) |
| sickly(adjective, weak, thin, delicate, uncertain) |
| decrepit(adjective, weak, thin, delicate, uncertain) |
| unhealthy(adjective, mean, bad, weak, delicate) |
| delicate(adjective, mean, bad, weak, thin) |
| faint(adjective, weak, thin, delicate, uncertain) |
| ailing(adjective, mean, bad, weak, thin) |
| sick(adjective, mean, bad, weak, delicate) |
| rickety(adjective, mean, bad, weak, delicate) |
| anemic(adjective, weak, delicate, uncertain) |
| fragile(adjective, weak, thin, delicate, uncertain) |
| unsound(adjective, weak, delicate, uncertain) |
| failing(adjective, weak, thin, delicate) |
| flimsy(adjective, weak, delicate, uncertain) |
| shaky(adjective, weak, thin, delicate, uncertain) |
| lame(adjective, weak, thin, delicate) |