D defs.my
Entry 1 sense Webster, 1913

Childishness

· Child·ish·ness · IPA /ˈt͡ʃaɪld.ɪʃ.nəs/
01 n. The state or quality of being childish; simplicity; harmlessness; weakness of intellect.
  1. 1.
    The state or quality of being childish; simplicity; harmlessness; weakness of intellect.