no visitors allowed; refusing visitors
Typically used in hospital or institutional contexts to indicate that visitors are not permitted, often seen on signs or notices.
A 'No Visitors' sign was hung in front of the hospital room.
Visitors are not allowed in the intensive care unit.
After the surgery, my grandfather was not allowed any visitors.
His condition worsened, and he was placed under a no-visitors order.
A no-visitors sign was posted outside the hospital room.