adjective
1. insanely irresponsible (Freq. 3)
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an idiotic idea
• Syn: ↑crackbrained
• Similar to: ↑insane
2. incongruous; inviting ridicule
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the absurd excuse that the dog ate his homework
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that's a cockeyed idea
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ask a nonsensical question and get a nonsensical answer
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a contribution so small as to be laughable
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it is ludicrous to call a cottage a mansion
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a preposterous attempt to turn back the pages of history
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her conceited assumption of universal interest in her rather dull children was ridiculous
• Syn:
• Similar to: ↑foolish
• Derivationally related forms: ↑ridiculousness (for: ↑ridiculous), ↑deride (for: ↑derisory), ↑absurdity (for: ↑absurd), ↑absurdness (for: ↑absurd)
3. having a mental age of three to seven years
• Similar to: ↑retarded
Useful english dictionary. 2012.