The Collaborative International Dictionary
Puerility \Pu`er*il"i*ty\, n.; pl. Puerilities. [L. puerilitas: cf. F. pu['e]rilit['e].]
The quality of being puerile; childishness; puerileness.
--Sir T. Browne.That which is puerile or childish; especially, an expression which is flat, insipid, or silly.
Wiktionary
n. (plural of puerility English)
Usage examples of "puerilities".
When, therefore, Plato puts into his mouth such paralogisms, such quibbles on words, and sophisms, as a school boy would be ashamed of, we conclude they were the whimsies of Plato's own foggy brain, and acquit Socrates of puerilities so unlike his character.
While wading thro' the whimsies, the puerilities, and unintelligible jargon of this work, I laid it down often to ask myself how it could have been that the world should have so long consented to give reputation to such nonsense as this?
As the hours passed, the woman, with her pudgy features and condescending puerilities, became for him a perfect symbol of middle-class fatuity and the commercial life.