| sterile(adjective, weak, poor, base, inferior) |
| powerless(adjective, strong, weak, ability, thin) |
| unable(adjective, weak, skill, inadequate, limited) |
| barren(adjective, weak, poor, base, inferior) |
| inept(adjective, weak, poor, stupid, idle) |
| spineless(adjective, weak, soft, poor, uncertain) |
| cowardly(adjective, weak, soft, uncertain, unstable) |
| incapable(adjective, strong, weak, ability, inadequate) |
| inoperative(adjective, weak, stupid, idle, inadequate) |
| profitless(adjective, poor, base, stupid, inferior) |
| empty(adjective, poor, base, inferior, insignificant) |
| feckless(adjective, stupid, idle, inadequate, feeble) |
| nugatory(adjective, poor, failure, base, inferior) |
| insufficient(adjective, weak, thin, delicate, failure) |
| purposeless(adjective, weak, stupid, idle, senseless) |
| paltry(adjective, weak, poor, thin, delicate) |
| unprofitable(adjective, poor, base, silly, stupid) |
| forceless(adjective, weak, inadequate, limited, feeble) |
| insignificant(adjective, mean, poor, base, stupid) |
| inutile(adjective, poor, base, stupid, inferior) |