| impotent(adjective, weak, inferior, inadequate, limited) |
| feeble(adjective, weak, uncertain, inferior, inadequate) |
| powerless(adjective, weak, uncertain, inferior, inadequate) |
| spineless(adjective, weak, inferior, inadequate, limited) |
| weak(adjective, strong, uncertain, inferior, inadequate) |
| ineffectual(adjective, weak, inadequate, limited, feeble) |
| unforceful |
| ineffective(adjective, weak, inferior, inadequate, feeble) |
| wan(adjective, weak, white, colorless, pallid) |
| flabby |
| frail(adjective, weak, uncertain, inadequate, feeble) |
| helpless(adjective, weak, inadequate, incompetent, inept) |
| inefficacious(adjective, inferior, inadequate, limited, feeble) |
| infirm(adjective, weak, uncertain, inadequate, feeble) |
| delicate(adjective, uncertain, feeble, shaky, hesitant) |
| emasculate(adjective, inadequate, limited, feeble, useless) |
| faint(adjective, uncertain, feeble, dim, hesitant) |
| impuissant(adjective, weak, uncertain, feeble, hesitant) |
| inadequate(adjective, weak, inferior, limited, feeble) |
| incompetent(adjective, weak, inferior, inadequate, limited) |