childishness
nounUS /ˈt͡ʃaɪld.ɪʃ.nəs/ · Southern-US /ˈt͡ʃaːld.ɪʃ.nəs/
Etymology From Middle English childishnes, childisnes, equivalent to childish + -ness.
1
The state or characteristic of being childish.
2
Childish behaviour.
- 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 […]1868, John Mockett Cramp, Baptist History: from the foundation of the Christian church to the close of the eighteenth century, page 43: