[{"Bold_text": "noun", "List Items": ["the state or quality of being foolish; lack of understanding or sense.", "a foolish action, practice, idea, etc.; absurdity:the folly of performing without a rehearsal.Synonyms: injudiciousness , foolishness , rashness , imprudence , lunacy , madness , indiscretion , mistake", "a costly and foolish undertaking; unwise investment or expenditure.", "Architecture.a whimsical or extravagant structure built to serve as a conversation piece, lend interest to a view, commemorate a person or event, etc.: found especially in England in the 18th century.", "follies,a theatrical revue.", "Obsolete.wickedness; wantonness."]}]