Synonyms of immaturity in English:

immaturity


See definition of immaturity

noun

1‘the immaturity of the fruit’

SYNONYMS
unripeness, greenness, sourness
newness, rawness, crudeness, crudity, imperfection, incompleteness, lack of completion, lack of development

2‘they were shocked by such immaturity in a grown man’

SYNONYMS
childishness, babyishness, infantilism, juvenility, puerility, lack of experience, inexperience, unworldliness, naivety, ingenuousness