puerility
pu-er-il-i-ty
noun
The quality or state of being childish, immature, or silly.
"His constant pranks showed his puerility."
Thesaurus
Synonyms: childhood, childishness
pu-er-il-i-ty
The quality or state of being childish, immature, or silly.
"His constant pranks showed his puerility."
Synonyms: childhood, childishness