| fantastic(adjective, weak, simple, silly, foolish) |
| far-fetched(adjective, irrational, unlikely, arbitrary, unbelievable) |
| flimsy(adjective, poor, thin, dubious, unlikely) |
| gratuitous(adjective, excessive, unwarranted, wanton, immoderate) |
| inapt(adjective, improper, inappropriate, unwarranted, unacceptable) |
| inconsequent |
| inexcusable(adjective, improper, unwarranted, unnecessary, prejudiced) |
| inexpedient(adjective, foolish, unwise, imbecility folly, mistaken) |
| monstrous(shocking, ridiculous, absurd, shameful, disgraceful) |
| nutty(adjective, weak, simple, wrong, silly) |
| out of bounds(expression, adjective, idiom, reason, usual) |
| overmuch(adjective, extreme, extravagant, extra, ridiculous) |
| overweening |
| paranoid |
| perverse(adjective, mean, tough, firm, grim) |
| premium(adjective, expensive, high-priced, pricey, pricely) |
| priceless(adjective, expensive, high-priced, pricey, pricely) |
| pricey(adjective, fancy, extreme, high, extravagant) |
| prohibitive(adjective, expensive, high-priced, pricey, pricely) |
| quirky(adjective, careless, unstable, changeable, irrational) |