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[pyoo-uh-ril-i-tee, pyoo-ril-]
See more synonyms for puerility on Thesaurus.com
noun, plural pu·er·il·i·ties.
  1. the state or quality of being a child.
  2. the quality of being puerile; childish foolishness or triviality.
  3. a puerile act, idea, remark, etc.: an inexcusable puerility.
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Origin of puerility

First recorded in 1425–75; late Middle English word from Latin word puerīlitās. See puerile, -ity
Related formsnon·pu·er·il·i·ty, noun, plural non·pu·er·il·i·ties.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for puerility

Historical Examples

  • They lavish their strength, their puerility, and their anger.

    Napoleon the Little

    Victor Hugo

  • We can infer this from the signs of puerility of certain legends.

  • But the passengers might surely be as alive to the puerility as any one else.

    The Town

    Leigh Hunt

  • It has bad English, bad verse, and puerility; but is not indelicate.

  • They began their sitting in puerility; they terminated their decrees in blood!

Word Origin and History for puerility


late 15c., from Middle French puérilité (15c.), from Latin puerilitatem (nominative puerilitas) "childishness," from puerilis "boyish, youthful; childish, trivial, silly," from puer "child, boy," from PIE *pau- (1) "few, little," with sense extended to "small, young" (cf. Latin putus "boy," Sanskrit putrah "son, boy," Avestan puthra- "son, child;" see few (adj.)).

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Online Etymology Dictionary, © 2010 Douglas Harper