also off-limits
1.
If a place is ~ to someone, they are not allowed to go there.
Downing Street has been ~ to the general public since 1982...
Certain areas have been declared ~ to servicemen.
ADJ: usu v-link ADJ, oft ADJ to n
2.
If you say that an activity or a substance is ~ for someone, you mean that they are not allowed to do it or have it.
Fraternizing with the customers is off-limits...
ADJ: v-link ADJ, oft ADJ for n