Learn how to say Folly correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word folly:
noun (plural follies)
1 [mass noun] lack of good sense; foolishness:
an act of sheer folly
[count noun] a foolish act, idea, or practice:
the follies of youth
2a costly ornamental building with no practical purpose, especially a tower or mock-Gothic ruin built in a large garden or park.
3 (Follies) a theatrical revue with glamorous female performers:
the Ziegfeld Follies
Middle English: from Old French folie ‘madness’, in modern French also ‘delight, favourite dwelling’ (compare with folly (sense 2)), from fol ‘fool, foolish’: