adolescent
/ˌædəˈlɛs(ə)nt/
adjective
(of a young person) in the process of developing from a child into an adult.
many parents find it hard to understand their adolescent children
teenage,teenaged,pubescent,youthful,young,juvenile
noun
An adolescent boy or girl.
the books are aimed at children and adolescents
teenager,youngster,young person,young adult,young man,young woman,young lady,young one,youth,juvenile,minor