Onun dışarı çıkması yasaklandı. - She is forbidden to go out.
Onlar yasaklanmış domuzu kurban etti, ve onu yemeyi reddeden herkesi öldürdüler. - They sacrificed forbidden swine, and put to death all who refused to eat.
If something forbids a particular course of action or state of affairs, it makes it impossible for the course of action or state of affairs to happen. His own pride forbids him to ask Arthur's help Custom forbids any modernisation
If you forbid someone to do something, or if you forbid an activity, you order that it must not be done. They'll forbid you to marry Brazil's constitution forbids the military use of nuclear energy. = prohibit