Extremely silly, absurd, or laughable; so unreasonable as to be funny.
From Latin 'ludicrous' meaning playful or mockable, from 'ludus' meaning game or sport. It's related to the word 'delude,' both rooted in play and trickery.
The word 'ludicrous' comes from Latin 'ludus,' the same root as 'elude' and 'delude'—all involving playing tricks—which is why something ludicrous makes you feel tricked or fooled by how absurd it is.
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