несовершеннолетний angolul

underage▼(below legal age)
adjective
[UK: ˌʌnd.ər.ˈeɪdʒ] [US: ˌʌnd.ər.ˈeɪdʒ]

minor [minors]▼(someone below the legal age of majority)
noun
[UK: ˈmaɪ.nə(r)] [US: ˈmaɪ.nər]