| In the '70s the idea of a lead-off man hitting 30 home runs was preposterous. |
| Clearly, the notion of reading everything ever written is now entirely preposterous. |
| John found their boundedness and self-sufficiency funny, preposterous, relativistically destabilising. |
| A date this early, at first blush, appears preposterous, for it suggests a common ancestor of land plants that predates land on our planet. |
| He is most certainly not a vampire, which is a ridiculously preposterous claim. |
| It is preposterous to ask seasoned physicians to acquire necessary qualifications to carry on with the legacies of yore. |
