Definition of juvenile adjective from the Oxford Advanced American Dictionary

     

    juvenile

     adjective
    adjective
    NAmE//ˈdʒuvəˌnaɪl//
     
    , NAmE//ˈdʒuvənl//
     
     
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  1. 1[only before noun] (formal or law) connected with young people who are not yet adults juvenile crime/employment juvenile offenders
  2. 2(disapproving) silly and more typical of a child than an adult synonym childish juvenile behavior Don't be so juvenile!
See the Oxford Advanced Learner's Dictionary entry: juvenile