Usually means: Immature behavior typical of children.
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We found 9 dictionaries that define the word puerilism:

General (8 matching dictionaries)
  1. puerilism: Collins English Dictionary
  2. puerilism: Wiktionary
  3. puerilism: Webster's New World College Dictionary, 4th Ed.
  4. puerilism: Infoplease Dictionary
  5. puerilism: Dictionary.com
  6. puerilism: TheFreeDictionary.com
  7. puerilism: American Heritage Dictionary of the English Language
  8. puerilism: Merriam-Webster

Medicine (1 matching dictionary)
  1. puerilism: Medical dictionary

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Definitions from Wiktionary (puerilism)

▸ noun:  (psychology, psychiatry) Childlike behavior by an adult, especially as indicating a mental disorder.

Similar:
puerilization, puerility, Peter Pan syndrome, puberphonia, pædophile, pædophilia, psychopathy, paedo, paedopathy, puella aeterna, more...

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Similar:
puerilization, puerility, Peter Pan syndrome, puberphonia, pædophile, pædophilia, psychopathy, paedo, paedopathy, puella aeterna, more...



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