fatuity

American  

[fuh-too-i-tee, -tyoo-] / fəˈtu ɪ ti, -ˈtyu- /

noun

plural

fatuities

1. complacent stupidity; foolishness.

2. something foolish; bêtise.

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fatuity British  

/ fəˈtjuːɪtɪ /

noun

1. complacent foolishness; inanity

2. a fatuous remark, act, sentiment, etc

3. archaic idiocy

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Other Word Forms

• fatuitous adjective

Etymology

Origin of fatuity

First recorded in 1530–40; from Latin fatuitās; see fatuous, -ity

Example Sentences

To drive home the Lázárs’ fatuity, Mr. Biedermann coats them in lurid layers of shame and degradation.

From The Wall Street Journal • Apr. 8, 2026

He won a World Cup single-handedly, then plunged himself into the kind of excess and fatuity that only a national hero could feel he deserved.

From Slate • Mar. 25, 2016

That’s a complaint of the most glorious fatuity.

From Forbes • Jul. 11, 2014

Instead of telling us about some fatuity in the world around us, she recalls her own youth in the ’50s and ’60s and her search for the grand philosophical truths about life itself.

From Salon • Apr. 6, 2014

I learned that sagacity and quick wits are necessary in avoiding dangerous situations; and that fatuity and shortsightedness make one go around in circles, seemingly unaware of the many opportunities for escape.

From "Kaffir Boy: An Autobiography" by Mark Mathabane