puerilism
/ˈpjuːərɪlɪzəm/
noun
- Behavior or attitudes that are childish or immature, especially in an adult.
- She outgrew her puerilism and became a responsible team leader.
- The politician's puerilism during the debate embarrassed his supporters.
- His constant puerilism at work made his colleagues take him less seriously.
Synonyms
Antonyms