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English definition of “folly”

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folly

noun [C/U]  /ˈfɑl·i/ us  
the condition of being foolish, or a foolish action or belief: [+ to infinitive] It would be folly to attempt a trip in this snowstorm.
Translations of “folly”
in Spanish locura…
in French folie…
in German die Torheit…
in Chinese (Traditional) 愚蠢, 愚蠢的行為(或念頭等)…
in Chinese (Simplified) 愚蠢, 愚蠢的行为(或念头等)…
(Definition of folly from the Cambridge Academic Content Dictionary © Cambridge University Press)
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