1. The act of violating or not following established rules, regulations, or norms
The student's rule-breaking behavior resulted in detention.
O comportamento de violação de regras do aluno resultou em detenção.
2. Adjective: Characterized by or involving the violation of rules
His rule-breaking attitude challenged the authority of the institution.
Sua atitude de desrespeito às regras desafiou a autoridade da instituição.