| inefficient(adjective, weak, thin, delicate, inferior) |
| decrepit(adjective, weak, thin, delicate, uncertain) |
| incapacitated(adjective, weak, skill, miserable, inadequate) |
| nerveless(adjective, weak, soft, uncertain, unstable) |
| unfit(adjective, weak, inadequate, feeble, unqualified) |
| ailing(adjective, weak, thin, delicate, feeble) |
| flimsy(adjective, uncertain, feeble, frail, puny) |
| soft(adjective, simple, gentle, feeble, innocent) |
| chicken(adjective, weak, thin, delicate, informal) |
| crippled(adjective, hurt, weak, miserable, inadequate) |
| effete(adjective, weak, thin, delicate, uncertain) |
| fragile(adjective, weak, thin, delicate, uncertain) |
| inert(adjective, weak, moving, lifeless, unable) |
| lame(adjective, weak, thin, delicate, inferior) |
| sapless(adjective, weak, weakness, thin, delicate) |
| sickly(adjective, weak, thin, delicate, uncertain) |
| spineless(adjective, uncertain, inferior, unstable, inadequate) |
| unqualified(adjective, weak, skill, inadequate, unfit) |
| asthenic |
| doddering(adjective, weak, thin, delicate, feeble) |