Juvenile | Mean of juvenile in English Dictionary

/ˈʤuːvəˌnajəl/

• unpleasantly childish
1. She criticized his juvenile behavior at the party.
2. juvenile pranks
• relating to or meant for young people
1. juvenile fiction
• of or relating to young people who have committed crimes
1. the juvenile justice system
2. a juvenile court
3. a juvenile crime [=a crime committed by a young person]

• not yet fully grown
1. juvenile birds/animals
• Noun
• a young person
1. She works to keep juveniles away from drugs.
2. crimes committed by juveniles
• a young bird or animal