- Having that first which ought to be last; inverted in
order. - Contrary to nature or reason; not adapted to the end;
utterly and glaringly foolish; unreasonably absurd; perverted.
Meaning of 'preposterous' (Princeton's WordNet)
1 . preposterous
[ s]
Meaning (1): - so unreasonable as to invite derision
Example in sentence:
a contribution so small as to be laughable;
a preposterous attempt to turn back the pages of history;
ask a nonsensical question and get a nonsensical answer;
her conceited assumption of universal interest in her rather dull children was ridiculous;