folly

noun

fol·​ly ˈfä-lē How to pronounce folly (audio)
plural follies
1
: lack of good sense or normal prudence and foresight
his folly in thinking he could not be caught
2
a
: criminally or tragically foolish actions or conduct
b
obsolete : evil, wickedness
especially : lewd behavior
3
: a foolish act or idea
The prank was a youthful folly.
4
: an excessively costly or unprofitable undertaking
Paying so much for that land was folly, since it was all rocks and scrub trees.
5
: an often extravagant picturesque building erected to suit a fanciful taste

Examples of folly in a Sentence

the folly of driving fast on steep, winding roads his folly in thinking that he would not be noticed The folly of such an action should be apparent to everyone. the follies of the modern world the famous Ziegfeld Follies of the 1920s
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But, first, how reporting on an architectural folly in Manhattan sparked a love for leaning towers everywhere. Eric Lach, The New Yorker, 4 Feb. 2025 The new president realizes the folly inherent in ignoring the scope of our vast natural assets by arbitrarily restricting development of the resources necessary to provide Americans with the highest standard of living in the world. Editorial, Boston Herald, 2 Feb. 2025 This year, Lewis’ folly reentered the public eye, with a documentary devoted to it, a Hollywood producer acquiring rights to the original script, and the Library of Congress opening its trove of material to researchers. Jta Staff Report, Sun Sentinel, 2 Jan. 2025 Buy Now 05 of 15 'The Rachel Papers' by Martin Amis Adolescent angst and the foibles and follies that come with it have been a mainstay of fiction since the form began, and this one's a prime example. Lizz Schumer, People.com, 26 Dec. 2024 See all Example Sentences for folly 

Word History

Etymology

Middle English folie, from Anglo-French, from fol fool

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of folly was in the 13th century

Dictionary Entries Near folly

Cite this Entry

“Folly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/folly. Accessed 9 Feb. 2025.

Kids Definition

folly

noun
fol·​ly ˈfäl-ē How to pronounce folly (audio)
plural follies
1
: lack of good sense or judgment
2
: foolish behavior
3
: a foolish act or idea

More from Merriam-Webster on folly

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