puerility

The school officials’ contention that C.G.’s post was “hate speech targeting the Jewish community” was as dumb as his joke and confused puerility with animosity.

From Washington Post ● Jul. 27, 2022

It was an extension of his general puerility, his weird clowning, his fake laughter.

From The Guardian ● Feb. 1, 2019

Has “The Tonight Show’s” current host, Jimmy Fallon, ever seethed with anything, unless one can seethe with puerility?

From New York Times ● Apr. 10, 2017

The duo is signed to Fueled by Ramen, an imprint probably best known for putting out the work of Fall Out Boy, and they share an insistent puerility and melodic flamboyance with their pop-punk labelmates.

From The New Yorker ● Aug. 24, 2016

Schelling and Hegel showed the puerility to which great men are driven when they started to construct science out of their own intuitions, instead of patiently and humbly sitting down to study Nature.

From Thomas Carlyle Famous Scots Series by Hector Carsewell Macpherson

But never, in all this history of feuds and charley-horses, have these two famous universities been driven apart by such puerilities as those which caused the decision of the Princeton Board.

From Time Magazine Archive

It is a mass of trivialities and puerilities; to recite it would be to make even a barber or a bartender beg for mercy.

From Time Magazine Archive

Reid's work, he concedes, has "puerilities and longueurs."

From Time Magazine Archive

Others question this, declaring that it is only because he is capable of Arising from puerilities to superlatives, that his best seems better than another man's.

From Time Magazine Archive

By aiming at popularity, the language was often reduced to the lowest strain, and to mere puerilities.

From The Life and Writings of Henry Fuseli, Volume I (of 3) by John Knowles