| unlawful(adjective, unreasonable, extreme, improper, stiff) |
| unobtainable(adjective, expensive, high-priced, pricely, unaffordable) |
| unpayable |
| unrightful(adjective, unreasonable, extreme, improper, stiff) |
| unwarrantable(adjective, unreasonable, extreme, improper, stiff) |
| unwarranted(adjective, unreasonable, extreme, improper, stiff) |
| up to here(expression, adjective, idiom, unreasonable, extreme) |
| usurious(adjective, expensive, high-priced, pricely, unaffordable) |
| vast(adjective, expensive, high-priced, pricely, unaffordable) |
| wasteful(adjective, unreasonable, extravagant, ridiculous, excessive) |
| way out(expression, adjective, extreme, improper, extravagant) |
| wrongful(adjective, unreasonable, extreme, improper, stiff) |
| able |
| absurd(adjective, expensive, steep, high-priced, costly) |
| affluent(adjective, exclusive, classy, luxurious, posh) |
| believer |
| bizarre(adjective, expensive, steep, high-priced, costly) |
| close |
| cordial |
| crazy(adjective, expensive, steep, high-priced, costly) |