Meaning of the word infantile in English

What does infantile mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

infantile

US /ˈɪn.fən.təl/
UK /ˈɪn.fən.təl/

Adjective

1.

typical of a child and therefore unsuitable for an adult:

Example:
infantile behavior
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