| broken(adjective, useless, impaired, inoperable, unfunctional) |
| defective(adjective, useless, impaired, inoperable, unfunctional) |
| unfunctional(adjective, weak, stupid, idle, useless) |
| unfit(adjective, useless, impaired, inoperable, unfunctional) |
| nonadaptive(adjective, useless, impaired, inoperable, unfunctional) |
| low-performing(adjective, ineffective, defective, impaired, inoperable) |
| maladjusted(adjective, useless, impaired, inoperable, unfunctional) |
| inhibited(adjective, useless, impaired, inoperable, unfunctional) |
| sick(adjective, useless, impaired, inoperable, unfunctional) |
| unserviceable(adjective, impaired, inoperable, unfunctional, unadaptive) |
| debilitated(adjective, useless, impaired, inoperable, unfunctional) |
| deteriorated(adjective, useless, impaired, inoperable, unfunctional) |
| inoperable(adjective, impractical, hopeless, ineffective, defective) |
| unworkable(adjective, impaired, inoperable, unfunctional, unadaptive) |
| disabled(adjective, impaired, inoperable, unfunctional, unadaptive) |
| inoperative(adjective, unadaptive, impaired, inoperable, unfunctional) |
| unable to deal adequately(expression, feature, characteristic, state) |
| counterproductive(adjective, weak, stupid, idle, useless) |
| worthless(adjective, weak, stupid, idle, useless) |
| faulty(adjective, useless, impaired, inoperable, unfunctional) |