| belief(adjective, extraordinary, strange, unbelievable, implausible) |
| beyond reason(expression, adjective, extraordinary, strange, unbelievable) |
| blue sky(expression, adjective, silly, impractical, unlikely) |
| fantastic(adjective, extraordinary, strange, imaginary, unlikely) |
| gone(adjective, silly, impractical, unlikely, unreal) |
| imcomprehensible(adjective, extraordinary, belief, strange, unbelievable) |
| implausible(adjective, extraordinary, strange, likely, unlikely) |
| impossible(adjective, extraordinary, strange, silly, unreasonable) |
| improbable(adjective, extraordinary, strange, silly, unreasonable) |
| incogitable(adjective, extraordinary, belief, strange, unbelievable) |
| inconceivable(adjective, belief, unreasonable, dubious, unlikely) |
| incredible(adjective, extraordinary, strange, unreasonable, dubious) |
| insupposable(adjective, extraordinary, belief, strange, unbelievable) |
| mind-boggling(adjective, extraordinary, strange, unbelievable, implausible) |
| nonsensical(adjective, silly, impractical, unlikely, unreal) |
| not applicable(expression, adjective, silly, impractical, unlikely) |
| phony(adjective, extraordinary, strange, unbelievable, implausible) |
| rare(adjective, extraordinary, strange, unbelievable, implausible) |
| romantic(adjective, fake, false, imaginary, unlikely) |
| staggering(adjective, extraordinary, strange, unbelievable, implausible) |