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English definition of “juvenile”

juvenile

adjective
 
 
/ˈdʒuːvənaɪl/
YOUNG [always before noun] by, for, or relating to young people: juvenile crime Describing people who are young
SILLY behaving in a silly way as if you were a young childPhysically and mentally mature and immature
(Definition of juvenile adjective from the Cambridge Learners Dictionary © Cambridge University Press)
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