plural follies
Synonyms of folly
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
"It was folly, pure folly," protested Lingard, "and this poor fellow has paid for it."—Joseph Conrad
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.
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.
One of the things that really struck me was that this character is operating from the viewpoint that the world is full of folly and evil. — Max Gao, Variety, 4 Oct. 2026 So Romo's Wisconsin intoxication folly almost definitely cost him a lot of money. — Armando Salguero Outkick, FOXNews.com, 2 Oct. 2026 Digger epitomizes the difference between big swing and hubristic folly more than any film since Francis Ford Coppola’s Megalopolis, another wildly ambitious bid to skewer the chaos of contemporary reality. — David Rooney, HollywoodReporter, 29 Sep. 2026 Compounded by the sudden passing of Lily’s grandfather—which renders her initial motivation to study Mandarin moot—these follies only deepen beneath a veil of complicated mourning. — Kat Chen, Condé Nast Traveler, 8 Sep. 2026 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

Cite this Entry

“Folly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/folly. Accessed 14 Oct. 2026.

Kids Definition

plural follies
1
: lack of good sense or judgment
2
: foolish behavior
3
: a foolish act or idea

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