juvenile
1. [ adjective ] of or relating to or characteristic of or appropriate for children or young people
Examples:

"juvenile diabetes" "juvenile fashions"

Related terms: youth
2. [ adjective ] displaying or suggesting a lack of maturity
Synonyms: jejune puerile adolescent
Examples:

"adolescent insecurity" "jejune responses to our problems" "their behavior was juvenile" "puerile jokes"

Related terms: immature
3. [ noun ] a youthful person
Synonyms: juvenile_person
Related terms: adult person child young_person adolescent ingenue preteen juvenile_body
Similar spelling:   juvenility
  juvenal