1.
[syn: absurd, cockeyed, derisory, idiotic, laughable, ludicrous, nonsensical, preposterous, ridiculous]
The Collaborative International Dictionary of English v.0.48:
Preposterous \Pre*pos"ter*ous\, a. [L. praeposterus; prae before
+ posterus coming after, latter. See Posterior.]
[1913 Webster]
1. Having that first which ought to be last; inverted in
order. [Obs.]
[1913 Webster]
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.
[1913 Webster]
2. Contrary to nature or reason; not adapted to the end;
utterly and glaringly foolish; unreasonably absurd;
perverted. "Most preposterous conclusions." --Shak.
[1913 Webster]
Preposterous ass, that never read so far! --Shak.
[1913 Webster]
Syn: Absurd; perverted; wrong; irrational; foolish;
monstrous. See Absurd.
[1913 Webster] -- Pre*pos"ter*ous*ly, adv.
-Pre*pos"ter*ous*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
preposterous
adj 1: incongruous;inviting ridicule; "the absurd excuse that
the dog ate his homework"; "that's a cockeyed idea"; "ask
a nonsensical question and get a nonsensical answer"; "a
contribution so small as to be laughable"; "it is
ludicrous to call a cottage a mansion"; "a preposterous
attempt to turn back the pages of history"; "her
conceited assumption of universal interest in her rather
dull children was ridiculous" [syn: absurd, cockeyed,
derisory, idiotic, laughable, ludicrous,
nonsensical, preposterous, ridiculous]