| impracticable(adjective, wild, unreasonable, useless, absurd) |
| impractical(adjective, stupid, unreasonable, idle, useless) |
| useless(adjective, wild, unreasonable, useless, valuable) |
| unfeasible(adjective, unreasonable, useless, absurd, impractical) |
| crazy(adjective, silly, foolish, fantastic, unwise) |
| dysfunctional(feature, characteristic, state, weak, stupid) |
| impossible(adjective, wild, unreasonable, useless, absurd) |
| unattainable(adjective, unreasonable, useless, absurd, excessive) |
| infeasible(adjective, wild, unreasonable, useless, absurd) |
| unusable(adjective, wild, useless, absurd, unrealistic) |
| visionary(adjective, wild, unreasonable, useless, absurd) |
| hopeless(adjective, stupid, unreasonable, idle, useless) |
| unrealizable(adjective, unreasonable, possible, inaccessible, impossible) |
| absurd(adjective, wild, foolish, unreasonable, useless) |
| inoperative(adjective, weak, stupid, idle, incompetent) |
| unrealistic(adjective, wild, silly, foolish, unreasonable) |
| unserviceable(adjective, wild, unreasonable, useless, absurd) |
| futile(adjective, stupid, unreasonable, idle, useless) |
| inconceivable(adjective, impossible) |
| inoperable(adjective, wild, unreasonable, useless, absurd) |