immaturity
noun/ɪˌmeɪtʃəˈrɪti/
Frequency rank: #15,707 most common English word
Meaning
the state of being not fully developed or grown, often shown through childish behavior or thinking.

Example sentence
His teacher noted that immaturity was holding him back from reaching his full potential.
Synonyms & related words
- childishness
- inexperience
- naivety
- juvenility
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