adolescent
//ˌædəˈlesənt//
Noun
adolescentsPlural
1
A young person who is developing into an adult, typically between the ages of 13 and 19.
The program provides support for adolescents dealing with stress.
Adjective
1
Relating to or characteristic of adolescence or adolescents.
Adolescent behavior can be unpredictable and emotional.
2
Immature or childish in behavior.
His adolescent behavior at the meeting embarrassed everyone.