ADJ-GRADED [usually verb-link ADJ](活动、服务等)过量预订的,火爆的 If something such as an event or a service is oversubscribed, too many people apply to attend the event or use the service. (活动、服务等)过量预订的,火爆的
The popular schools — the sort you really might drive across town for — tend to be heavily oversubscribed.