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Definition of "childishness" [child•ish•ness]

  • The state of being childish. (noun)
  • Childish behaviour. (noun)

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Use "childishness" in a sentence
  • "I guess that kind of childishness is just another aspect of our extra-specialness!"
  • "I would have had no problem at all with the Democrats working longer to "get it right" had they stood united with the President, but their back stabbing and childishness is sickening."
  • "This act of childishness is going to demonstrate just how immature these right-wing extremists really are."