• WordNet 3.6
    • adj puerile displaying or suggesting a lack of maturity "adolescent insecurity","jejune responses to our problems","their behavior was juvenile","puerile jokes"
    • adj puerile of or characteristic of a child "puerile breathing"
    • ***
Webster's Revised Unabridged Dictionary
    • a Puerile Boyish; childish; trifling; silly. "The French have been notorious through generations for their puerile affectation of Roman forms, models, and historic precedents."
    • ***
Century Dictionary and Cyclopedia
    • puerile Of or pertaining to a boy or child; boyish; childish; juvenile.
    • puerile Hence Merely childish; lacking intellectual force; trivial: as, a puerile criticism.
    • puerile Synonyms Juvenile, Boyish, etc. (see youthful).
    • puerile Weak, foolish, silly.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Puerile pū′ėr-īl pertaining to children: childish: trifling: silly
    • ***


Webster's Revised Unabridged Dictionary
L. puerilis, fr. puer, a child, a boy: cf. F. puéril,
Chambers's Twentieth Century Dictionary
Fr. puéril—L. puerilispuer, a child.


In literature:

The errors and puerilities of radical finalism are due to the misapprehension of this point.
"Creative Evolution" by Henri Bergson
Surely we ought to love truth above our puerile prejudices.
"The Old Man of the Mountain, The Lovecharm and Pietro of Abano" by Ludwig Tieck
We can infer this from the signs of puerility of certain legends.
"Essay on the Creative Imagination" by Th. Ribot
To-day I can laugh when I recall the childishness of my actions, the outcome of the unreasoned promptings of my puerile jealousy.
"The Motor Pirate" by George Sidney Paternoster
There are many who call themselves "free-thinkers," many who reject all revealed religion, merely out of silly puerile vanity.
"Public School Education" by Michael Müller
Puerile blindness of party spirit!
"Memoirs To Illustrate The History Of My Time" by François Pierre Guillaume Guizot
Here, he sinks again in many places, to puerility of conception and coarseness of dialogue.
"Rambles Beyond Railways;" by Wilkie Collins
And Cicero's criticism is somewhat puerile.
"The Life of Cicero" by Anthony Trollope
He saw the puerility of his young conceptions, he saw the unreal world in which they had been conceived.
"The Rainbow" by D. H. (David Herbert) Lawrence
The officers took, as usual, a puerile revenge in the form of a burlesque.
"The Siege of Boston" by Allen French

In poetry:

Our hearts had spoken, though we said no word
Beyond puerilities a stranger says;
Nor had we need for speech, for whom recurred
Our voluble meetings of dim yesterdays.
"On The Path" by Benjamin Musser

In news:

Prez ditched by Pitchfork.com-wielding puerile politicos who prefer Stumptown to stumping ALL YOUR BASE ARE BELONG TO Well, it's not really clear right now.
The sight of Adam Sandler in animated form in Hotel Transylvania makes him—and the puerile bullshit he usually does in his live-action films—slightly bearable .
One can read extensively in Civil War historiography and not once come across the word "puerile".
"Austin Powers in 'Goldmember' " is puerile, pitiful, grotesque, offensive, immature, repulsive and, of course, extremely funny.
Adam Sandler tackles a dual role in the painfully puerile 'Jack and Jill'.
But even Bam Margera, MTV's clown prince of puerile stunts, was conceding Monday that he might have gone too far.
The sight of Adam Sandler in animated form in Hotel Transylvania makes him—and the puerile bullshit he usually does in his live-action films—slightly bearable.