Definitions

1. noun

a person between the ages of 13 and 19

“She is a popular teen actress.”

2. noun

the period of life from the age of 13 to 19

“During her teen years, she developed a passion for music.”

3. adjective

relating to or characteristic of teenagers

“Teen fashion is often trendy and unpredictable.”

4. verb

to make or become a teenager

“He’s going to teen next year.”