A lack of good sense or judgment; foolishness.

A foolish act or idea.

एक मूर्खतापूर्ण कार्य या विचार

English Usage: The decision to refuse medical help was considered a folly by her friends.

Hindi Usage: चिकित्सा सहायता से इनकार करना उसके दोस्तों द्वारा एक मूर्खता माना गया।