| self-indulgent(unreasonable, extreme, extravagant, excessive, unwarranted) |
| sky-high(adjective, unreasonable, extreme, high, extravagant) |
| stiff(adjective, unreasonable, extreme, high, extravagant) |
| stratospheric(adjective, unreasonable, extreme, high, extravagant) |
| stunning |
| stupefying |
| super(unreasonable, extreme, extravagant, excessive, unwarranted) |
| superabundant(unreasonable, extreme, extravagant, excessive, unwarranted) |
| superfluous(unreasonable, extreme, extravagant, excessive, unwarranted) |
| supernatural(unreasonable, extreme, extravagant, excessive, unwarranted) |
| too many(expression, unreasonable, extreme, extravagant, excessive) |
| too much(expression, adjective, unreasonable, extreme, extravagant) |
| towering(adjective, unreasonable, extreme, extravagant, extra) |
| unbalanced(adjective, unreasonable, extreme, extravagant, excessive) |
| unbounded(unreasonable, extreme, extravagant, excessive, unwarranted) |
| uncalled-for(adjective, unreasonable, extreme, high, extravagant) |
| unconscionable(adjective, unreasonable, extreme, extravagant, extra) |
| undue(adjective, unreasonable, extreme, extravagant, extra) |
| unmeasurable(adjective, unreasonable, extreme, extravagant, extra) |
| unreasonable(adjective, extreme, high, extravagant, extra) |