Childishness

//ˈt͡ʃaɪld.ɪʃ.nəs// noun

Definitions

Noun
  1. 1
    The state or characteristic of being childish. uncountable
  2. 2
    a property characteristic of a child wordnet
  3. 3
    Childish behaviour. countable

    "Exorcism, unction, the sign of the cross, holy water, infant-communion, and many other childishnesses, were also called "Apostolic institutions" — not at first, but long after they were invented, to conceal their real origin […]"

Etymology

From Middle English childishnes, childisnes, equivalent to childish + -ness.

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