| enormous(extraordinary, amazing, incredible) |
| extraordinary(amazing, incredible) |
| fantastic(unlikely, unbelievable, improbable) |
| far out(expression, unreasonable, dubious, unlikely, flimsy) |
| farfetched(unreasonable, dubious, unlikely, flimsy, unbelievable) |
| great(extraordinary, amazing, incredible) |
| hollow |
| mind-boggling(extraordinary, amazing, incredible) |
| not likely(expression, unreasonable, dubious, unlikely, flimsy) |
| obscure(unreasonable, dubious, unlikely, flimsy, unbelievable) |
| preposterous(extraordinary, amazing, incredible) |
| problematic(unreasonable, dubious, unlikely, flimsy, unbelievable) |
| puzzling(unreasonable, dubious, unlikely, flimsy, unbelievable) |
| reachy(unreasonable, dubious, unlikely, flimsy, unbelievable) |
| scraggly(adjective, ragged) |
| tatterdemalion(adjective, tattered) |
| unconceivable(adjective, implausible) |
| unlikely(unbelievable, improbable) |
| unreasonable(dubious, unlikely, flimsy, unbelievable, improbable) |