puerility
2 antonyms for puerility — opposites grouped by meaning.
Noun — The quality of being childish or silly.
Antonyms
Etymology
From Middle English puerilite, from Middle French puérilité and its etymon Latin puerīlitās, from puerīlis (“childish, juvenile”), from puer (“boy”). By surface analysis, puerile + -ity.
Full origin of puerility →