Absurd

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(Contrary to reason, ridiculous, silly, nonsense) ដែលមិនសមហេតុសមផល, ដែលមិនទំនង, ដែលភ្លើ, ដែលគ្មានហេតុផល
Example: It is absurd to expect so small a child to read well, Sothun said a number of absurdities.
Example: The belief that the earth is flat is today regarded as absurd.

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Contrary to reason or propriety; obviously and fiatly opposed to manifest truth; inconsistent with the plain dictates of common sense; logically contradictory; nonsensical; ridiculous; as, an absurd person, an absurd opinion; an absurd dream.

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foolish, inconsistent, irrational, nonsensical, preposterous, ridiculous, self-contradictory, silly, unreasonable

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consistent, rational, reasonable sensible, sound

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An absurdity