Megabooking refers to the process of booking a large number of tickets or services at once. Some synonyms for this word include mass booking, bulk booking, group booking, and block booking. Mass booking typically refers to booking a large number of tickets for a single event or location. Bulk booking can apply to any type of reservation, be it for travel, hospitality, or entertainment. Group booking usually refers to booking for a group of people, such as a tour or team. Block booking usually refers to booking multiple rooms or facilities at a hotel or venue. All of these terms convey the idea of making reservations in large quantities.