restricted area; forbidden zone; off-limits area

taboo; contraindication (medicine); to abstain from

prohibition; ban

to forbid sb to go out; to confine to one location (e.g. student, soldier, prisoner, monk etc); to ground (as disciplinary measure); to gate; to curfew; restriction on movement; ban on visiting a place; out of bounds; off limits; caveat

to withstand heavy use; durable