The word "folly" in English means: A lack of good sense or judgment; a foolish action, idea, or way of behaving., Something that seems stupid or that is a waste of money..
The phonetic transcription of "folly" is /ˈfɒl.i/ in British English and /ˈfɑː.li/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "folly": stupidity, idiocy, absurdity, imprudence, foolishness.
Example usage of "folly": "It would be a folly to sell the house now". More examples on the page.