| positive(obstinacy, misjudgment) |
| profitless(weak, stupid, idle, trivial, incompetent) |
| puerile(silly, foolish, fantastic, unwise, impractical) |
| scrap(weak, stupid, idle, useless, incompetent) |
| senseless(silly, foolish, fantastic, unwise, impractical) |
| short-sighted(silly, foolish, fantastic, unwise, impractical) |
| silly(foolish, fantastic, unwise, unlikely, unreal) |
| speculative(wild, unreasonable, useless, absurd, unrealistic) |
| starry-eyed(adjective, wild, silly, unreasonable, absurd) |
| strange(silly, foolish, fantastic, unwise, impractical) |
| stupid(weak, silly, foolish, idle, useless) |
| theoretical(wild, silly, unreasonable, useless, absurd) |
| troublesome |
| unable(adjective, useless, unfit) |
| unacceptable |
| unadaptable(adjective, inapplicable) |
| unapt(adjective, useless, unfit) |
| unavailable(weak, stupid, idle, useless, incompetent) |
| unbusinesslike(wild, unreasonable, useless, absurd, unrealistic) |
| undesirable |