immaturity
noun /ˌɪməˈtjʊərəti/
/ˌɪməˈtʃʊrəti/, /ˌɪməˈtʊrəti/
[uncountable]- behaviour that is not sensible and is typical of people who are much younger
- emotional immaturity
- the state of not being fully developed or grown
- the immaturity of renal function in some infants
opposite maturity