immature
im|ma|ture /'ɪmətj'ʊər, AM -t'ʊr/
1 [ADJ]
Something or someone that is immature is not yet completely grown or fully developed.
She is emotionally immature.
● immaturity [N-UNCOUNT]
In spite of some immaturity in the figure drawing and painting, it showed real imagination.
2 [ADJ]
If you describe someone as immature, you are being critical of them because they do not behave in a sensible or responsible way.
She's just being childish and immature.
● immaturity [N-UNCOUNT]
...his immaturity and lack of social skills.
1 [ADJ]
Something or someone that is immature is not yet completely grown or fully developed.
She is emotionally immature.
● immaturity [N-UNCOUNT]
In spite of some immaturity in the figure drawing and painting, it showed real imagination.
2 [ADJ]
If you describe someone as immature, you are being critical of them because they do not behave in a sensible or responsible way.
She's just being childish and immature.
● immaturity [N-UNCOUNT]
...his immaturity and lack of social skills.