B2
to behave in a way that is not appropriate for one's age, often characterized by childishness or lack of responsibility.
Meanings
to behave in a way that is not appropriate for one's age, often characterized by childishness or lack of responsibility.
Despite being in his thirties, he often acts immaturely, especially when things don't go his way.
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Antonyms
to act in a way that is considered silly or foolish, often disregarding the consequences.
She tends to act immaturely at parties, making jokes that aren't always appropriate.
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Antonyms
Last updated: 2025/01/11 11:55