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Synonyms for

Preposterous

Adjective / prɪˈpɑ:stɜ:ʌs / / prɪˈpɑ:strʌs / Another word for preposterous — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Completely contrary to reason or common sense; absurd and ridiculous.

Synonyms & similar words

ludicrous nonsensical ridiculous absurd derisory laughable cockeyed idiotic ridiculous absurd ludicrous nonsensical foolish silly inane outrageous irrational senseless idiotic unreasonable impractical wild far-fetched implausible fantastical unbelievable unthinkable mad

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Example sentences

  1. His preposterous claim that he can run a marathon in 10 minutes made us all laugh.
  2. The idea of a talking dog is preposterous.
  3. It's preposterous to believe that the earth is flat.
  4. The price of that car is preposterous!
  5. It's preposterous to think that aliens built the pyramids.

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