| useless(adjective, poor, base, wild, inferior) |
| unserviceable(adjective, wild, useless, absurd, unfit) |
| impracticable(adjective, wild, useless, absurd, unfit) |
| impractical(adjective, weak, stupid, unreasonable, useless) |
| worthless(adjective, weak, poor, base, value) |
| unworkable(adjective, wild, useless, absurd, unrealistic) |
| dysfunctional(adjective, weak, stupid, useless, impractical) |
| ineffective(adjective, poor, base, inferior, insignificant) |
| inoperative(adjective, weak, stupid, useless, impractical) |
| nonfunctional(adjective, wild, unreasonable, useless, absurd) |
| inapplicable(adjective, wild, useless, absurd, unfit) |
| unsuitable(adjective, useless, unfit) |
| futile(adjective, weak, poor, base, inferior) |
| inadequate(adjective, useless, unfit, impractical, hopeless) |
| inutile(adjective, poor, base, inferior, insignificant) |
| fruitless(adjective, weak, stupid, useless, impractical) |
| good-for-nothing(adjective, poor, base, inferior, insignificant) |
| ineffectual(adjective, weak, poor, base, inferior) |
| inoperable(adjective, wild, unreasonable, useless, absurd) |
| unfit(adjective, inapplicable) |