Folly (noun): The fact of being stupid, or a stupid action, idea, etc. (मूर्खता)

Synonyms: Lunacy, Imbecility, Asininity Fatuity

Antonyms: Prudence, Sagacity, Wisdom, Sapience

Example: It would be folly for the country like Pakistan to become involved in the war with India.

Uses:

While this may have given India an excuse for exercising “strategic restraint”, the folly was compounded by describing Pakistani perpetrators as “non-state actors”; providing Pakistan the opening to declare that they were Kashmiri “freedom fighters”.