| absurd(adjective, wild, foolish, unreasonable, fantastic) |
| awkward(adjective, difficulty, inexpedience) |
| ineffective(adjective, stupid, idle, useless, trivial) |
| inoperable(wild, unreasonable, useless, absurd, impractical) |
| obstinate(difficulty, misjudgment, intractable) |
| unfit(adjective, inapplicable) |
| worthless(adjective, stupid, useless, trivial, insufficient) |
| imprudent(adjective, wild, strange, silly, foolish) |
| inconceivable(adjective, unreasonable, useless, doubtful, absurd) |
| ineffectual(adjective, stupid, idle, trivial, incompetent) |
| pointless(adjective, stupid, idle, useless, trivial) |
| preposterous(adjective, wild, strange, silly, foolish) |
| quixotic(adjective, wild, silly, foolish, fantastic) |
| recalcitrant |
| unrealistic(adjective, wild, silly, foolish, unreasonable) |
| crotchety(obstinacy, misjudgment) |
| fantastic(adjective, silly, foolish, unwise, impractical) |
| headstrong |
| idealistic(adjective, wild, unreasonable, useless, absurd) |
| impassable(adjective, impossibility) |