juvenile
adjective
[ ˈdʒuːvənʌɪl ]
• for or relating to young people.
• "juvenile crime"
• childish; immature.
• "she's bored with my juvenile conversation"
Similar:
childish,
immature,
puerile,
infantile,
babyish,
jejune,
inexperienced,
callow,
green,
unsophisticated,
naive,
foolish,
silly,
stupid,
asinine,
sophomoric,
wet behind the ears,
juvenile
noun
• a young person.
Similar:
young person,
youngster,
child,
teenager,
adolescent,
minor,
junior,
boy,
girl,
schoolboy,
schoolgirl,
kid,
Origin:
early 17th century: from Latin juvenilis, from juvenis ‘young, a young person’.