unlawful
US /ʌnˈlɑː.fəl/
UK /ʌnˈlɑː.fəl/

1.
ilegal, ilícito
not conforming to, permitted by, or recognized by law or rules
:
•
It is unlawful to discriminate against someone based on their religion.
Es ilegal discriminar a alguien por su religión.
•
The police arrested him for unlawful possession of a weapon.
La policía lo arrestó por posesión ilegal de un arma.