| faint(adjective, weak, thin, delicate, shaky) |
| flabby(adjective, weak, poor, thin, delicate) |
| flaccid(weakness, enervated, senescent, irresilient) |
| inefficient(adjective, weak, thin, delicate, inferior) |
| languid(adjective, weak, thin, delicate, still) |
| nerveless(adjective, weak, soft, uncertain, unstable) |
| unfertile |
| unsuccessful(adjective, weak, inferior, inadequate, feeble) |
| vain(adjective, weak, inferior, insignificant, inadequate) |
| vulnerable(adjective, weak, feeble, inert, unable) |
| chicken(adjective, weak, thin, delicate, shaky) |
| cowardly(adjective, weak, soft, uncertain, unstable) |
| emasculate(inadequate, limited, feeble, useless, vain) |
| exhausted(adjective, weak, thin, delicate, miserable) |
| forceless(adjective, weak, inferior, inadequate, limited) |
| gutless(adjective, weak, pathetic, inert, unable) |
| impuissant(adjective, weak, skill, unfit, inept) |
| indifferent(adjective, cool, cold, detached, unfriendly) |
| inert(adjective, moving, lifeless) |
| infecund(adjective, weak, empty, bleak, unable) |