Pre*pos"ter*ous(?), a. [L. praeposterus; prae before + posterus coming after, latter. See Posterior.]
1. Having that first which ought to be last; inverted in order.
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.Woodward.
2. Contrary to nature or reason; not adapted to the end; utterly and glaringly foolish; unreasonably absurd; perverted. "Most preposterous conclusions."
Preposterous ass, that never read so far!Shak.
Syn. -- Absurd; perverted; wrong; irrational; foolish; monstrous. See Absurd.
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Wed 12th December 2018