Usually means: Immaturity often displayed in behavior.
Definitions Related words Mentions History
We found 21 dictionaries that define the word childishness:

General (19 matching dictionaries)
  1. childishness: Merriam-Webster
  2. childishness: Oxford Learner's Dictionaries
  3. childishness: Collins English Dictionary
  4. childishness: Vocabulary.com
  5. childishness: Wordnik
  6. childishness: Cambridge Advanced Learner's Dictionary
  7. childishness: Wiktionary
  8. Childishness, childishness: Dictionary.com
  9. childishness: Cambridge Essential American English Dictionary
  10. Childishness: Online Plain Text English Dictionary
  11. childishness: Webster's Revised Unabridged, 1913 Edition
  12. childishness: Rhymezone
  13. Childishness: AllWords.com Multi-Lingual Dictionary
  14. childishness: Webster's 1828 Dictionary
  15. childishness: FreeDictionary.org
  16. childishness: Mnemonic Dictionary
  17. childishness: TheFreeDictionary.com

Business (2 matching dictionaries)
  1. Bouvier's Law Dictionary 1856 Edition (No longer online)
  2. childishness: Legal dictionary

(Note: See childish as well.)

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Definitions from Wiktionary (childishness)

▸ noun:  (uncountable) The state or characteristic of being childish.
▸ noun:  (countable) Childish behaviour.

Similar:
puerility, childliness, childlikeness, childness, childhood, unchildishness, juvenility, babyishness, childism, childship, more...

Opposite:
maturity, adulthood, grown-upness

Adjectives:
second, such, mere, own, certain, very, pure, utter, sheer, much, extreme

▸ Words similar to childishness

▸ Usage examples for childishness

▸ Idioms related to childishness

▸ Wikipedia articles (New!)

▸ Popular adjectives describing childishness

▸ Words that often appear near childishness

▸ Rhymes of childishness

▸ Invented words related to childishness

Similar:
puerility, childliness, childlikeness, childness, childhood, unchildishness, juvenility, babyishness, childism, childship, more...

Opposite:
maturity, adulthood, grown-upness

Adjectives:
second, such, mere, own, certain, very, pure, utter, sheer, much, extreme



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