Also found in: Medical.
Related to puerilism: Tyronism


 (pyo͝or′ə-lĭz′əm, pwĕr′ə-, pyo͞o′ər-ə-)
Childish behavior in an adult, especially as a symptom of mental illness.


(Psychiatry) psychiatry immature or childish behaviour by an adult


(ˈpyu ər əˌlɪz əm, ˈpyʊər ə-)

n. Psychiatry.
childishness in the behavior of an adult.


a mental condition marked by childish or infantile behavior. — puerility, n.
See also: Psychology
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References in periodicals archive ?
Carlo McCormick and Walter Robinson, "Slouching Toward Avenue D," Art in America: A lengthy, insider's view of the East Village art scene, countered by Craig Owens's terse dismissal, "The Problem of Puerilism," In the same issue.
Finally Art in America (June 1984) presented the most pointed polemic, with its juxtaposition of Walter Robinson and Carlo McCormick's celebratory "Slouching Toward Avenue D" and Craig Owens's trenchant critique "The Problem with Puerilism.
By following the smorgasbord of "Slouching Toward Avenue D" with a stiff chaser like "The Problem with Puerilism," Art in America was able to have its cake and eat it too.