forbidden
US /fɚˈbɪd.ən/
UK /fɚˈbɪd.ən/

1.
not allowed; banned
:
•
Smoking is strictly forbidden in this area.
•
Access to the restricted section is forbidden without proper authorization.
1.
past participle of forbid
:
•
The ancient texts had forbidden the use of such magic.
•
He was forbidden from entering the premises after the incident.