Preposterous /(?)/

Pre·pos·ter·ous

Preposterous

a.
  1. Having that first which ought to be last; inverted in order. [Obs.]
    The method I take may be censured as preposterous, because I thus treat last of the antediluvian earth, which was first in the order of nature.
  2. Contrary to nature or reason; not adapted to the end; utterly and glaringly foolish; unreasonably absurd; perverted.
    Preposterous ass, that never read so far!