| dysfunctional(adjective, weak, stupid, idle, useless) |
| impractical(adjective, weak, stupid, idle, useless) |
| unusable(adjective, weak, stupid, idle, useless) |
| useless(adjective, weak, stupid, idle, valuable) |
| abortive(adjective, weak, stupid, idle, useless) |
| bootless(adjective, weak, stupid, idle, useless) |
| counterproductive(adjective, weak, stupid, idle, incompetent) |
| disadvantageous(adjective, weak, stupid, idle, useless) |
| expendable(adjective, weak, stupid, idle, useless) |
| feckless(adjective, weak, stupid, idle, useless) |
| fruitless(adjective, weak, stupid, idle, useless) |
| futile(adjective, weak, stupid, idle, useless) |
| good-for-nothing(adjective, weak, stupid, idle, useless) |
| hopeless(adjective, weak, stupid, idle, useless) |
| idle(adjective, weak, stupid, useless, incompetent) |
| impracticable(adjective, weak, stupid, idle, useless) |
| incompetent(adjective, weak, stupid, idle, useless) |
| ineffective(adjective, weak, stupid, idle, useless) |
| ineffectual(adjective, weak, stupid, idle, useless) |
| inept(adjective, weak, stupid, idle, useless) |