puerility

English

Etymology

From Latin puerīlitās, from puerīlis (“childish, juvenile”), from puer (“boy”).

Noun

puerility (countable and uncountable; plural puerilities)

1. the state, quality, or condition of being childish or puerile
2. that which is puerile or childish; especially, an expression which is flat, insipid, or silly