There are multiple definitions - click on the translation that matches your context.

adolescente em conflito com a lei

substantivo

full

delinquent

noun

Comparative law notes

In Brazil, a young offender is a person aged between 12 and 18.

Definitions of delinquent

(UK) a person, especially a young person, who acts in an illegal, unacceptable or antisocial way; an official organisation or state that acts in an illegal, unacceptable or antisocial

The Scottish Conservatives have dismissed Labour proposals for dealing with delinquent children and football hooligans.

(US) a young person who commits minor crimes, but who cannot be sentenced as an adult

All of the under 16s in his street had either been adjudicated delinquent or found guilty of a serious offense.