Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of preposterous is as below...

Nonsensical :: Nonsensical (a.) Without sense; unmeaning; absurb; foolish; irrational; preposterous.

Laputan :: Laputan (a.) Of or pertaining to Laputa, an imaginary flying island described in Gulliver's Travels as the home of chimerical philosophers. Hence, fanciful; preposterous; absurd in science or philosophy..

Preposterous :: Preposterous (a.) Having that first which ought to be last; inverted in order.

Rational :: Rational (a.) Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man..

Preposterous :: Preposterous (a.) Contrary to nature or reason; not adapted to the end; utterly and glaringly foolish; unreasonably absurd; perverted.

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