adolescent

Of, relating to, or at the age of adolescence; at the stage between being a child and an adult.

Schools, unless discipline were doubly strong, / Detain their adolescent charge too long.

Again, voice change is not easy and vulnerability plays a big part, but if choral teachers and adolescent singers approach it with the right mindframe, the experience can be empowering, enlightening, and restorative for all involved.

A person who is in adolescence; someone who has reached puberty but is not yet an adult.

It may be wartime, but Miss Adolescent wants her fun!

Besides, there are a great many of these accusers, and they have been accusing me now for a great many years; and what is more, they approached you at the most impressionable age, when some of you were children or adolescents; and they literally won their case by default, because there was no one to defend me.