adolescent

noun
  1. A young person who is in the process of developing from a child into an adult, typically in the age range of 13 to 19 years old. noun
    The adolescent struggled with the changes happening in their body.
    Adolescents often seek more independence from their parents.
  2. Relating to or characteristic of adolescence, often marked by physical, emotional, and social changes. adjective
    Adolescent behavior can sometimes be unpredictable.
    The book explores the challenges of adolescent development.