Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state of being childish.
  • n. Childish behaviour.

from the GNU version of the Collaborative International Dictionary of English

  • n. The state or quality of being childish; simplicity; harmlessness; weakness of intellect.

from The Century Dictionary and Cyclopedia

  • n. The state or quality of being childish; puerility; simplicity; weakness of intellect: most frequently used in a disparaging sense.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a property characteristic of a child

Etymologies

childish +‎ -ness (Wiktionary)

Examples

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