Synonyms of preposterous in English:

preposterous

adjective

  • 1 at these sessions, no ideas are too preposterous to throw on the table
    absurd, ridiculous, foolish, stupid, ludicrous, farcical, laughable, comical, risible, nonsensical, senseless, insane; outrageous, monstrous
    informal crazy
    [Antonyms] sensible
  • Definition of preposterous in:

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    Word of the day impudicity
    Pronunciation: ˌɪmpjʊˈdɪsɪti
    noun
    lack of modesty