Juvenile 504 Absolutely Essential Words Lesson 28
/ˈdʒuː.vən.aɪl/ (adj & noun)
Adjective: too young and immature, callow, fledgling, childish, teenage, youthful, adolescent, bay-faced, infantile, babyish
Noun: youngers, teenager, teen, adolescent
Juvenile delinquency is the act of committing a crime at a very young age. A juvenile delinquent is a young person, particularly a teenager under the age of eighteen, who breaks a state or federal law by committing a crime.
Antonym: mature, grown-up