infantile
🇺🇸
/ˈɪnfəntaɪl/
🇬🇧
/ˈɪnfəntaɪl/
behaving in a way that is typical of a very young child and not appropriate for an older person
His behavior was considered infantile by his peers.
그의 행동은 동료들에 의해 유치하다고 여겨졌습니다.
relating to babies or very young children
The doctor specializes in infantile diseases.
이 의사는 어린이 질병에 특수합니다.