| slim(adjective, weak, slight, lean, infirm) |
| soft(adjective, feeble, irresolution) |
| weakened(adjective, weak, thin, delicate, uncertain) |
| crisp(adjective, hard, delicate, stiff, flimsy) |
| enfeebled(adjective, weak, thin, delicate, ill) |
| exhausted(verb, adjective, weak, thin, delicate) |
| faint(adjective, weak, soft, slight, gentle) |
| fallible(adjective, able, prone) |
| insecure(adjective, weak, delicate, false, ill) |
| splintery(adjective, state, structure, frailty, brittleness) |
| unstable(adjective, weak, delicate, false, ill) |
| unsteady(adjective, false, uncertain, unstable, ill) |
| crippled(adjective, weak, inadequate, feeble, shabby) |
| doddering(adjective, weak, thin, delicate, feeble) |
| friable(adjective, hard, delicate, stiff, flimsy) |
| wasted(adjective, weak, uncertain, feeble, puny) |
| wispy(adjective, weak, slight, thin, lean) |
| anemic(adjective, weak, delicate, uncertain, ill) |
| effete(adjective, weak, thin, delicate, uncertain) |
| failing(adjective, weak, thin, delicate, ill) |