Meaning of the word immature in English

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

immature

US /ˌɪm.əˈtʃʊr/
UK /ˌɪm.əˈtʃʊr/

Adjective

1.

not behaving in a way that is as calm and wise as people expect from someone of your age:

Example:
Stop being so silly and immature, Chris!
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