off-limits
- s barred to a designated group
that area is off-limits
- He showed that nothing not the most sensitive social issues or the most trivial annoyances of everyday life was off-limits for smart comedy.
- But its history and sensitive security role have helped keep the island pretty much off-limits to journalists.
- You can see everything from Barbra Streisand's Malibu backyard to the best secret surf spots the state has to offer just past the off-limits Vandenberg Air Force Base.