What do you call a hotel that is full?

Fully booked. When a hotel is full, it is called a full house. It is a term used to express that hotels, restaurants, theaters, etc. are full. It means that the hotel is full and there is no room for new customers. A hotel, also known as a hotel, a hotel, a hotel, a hostel, a business trip, an inn, or an inn, is a place where guests can stay and eat.