1. officially registered as a member or participant

1. past tense and past participle of enroll; registered or signed up for something

Examples

• She enrolled in three college courses this semester.
• The enrolled students received their class schedules yesterday.
• He enrolled his daughter in piano lessons.
• All enrolled members have access to the gym facilities.
• The university enrolled over 2,000 new students this year.
• Only enrolled participants can attend the workshop.
• They enrolled in the health insurance plan last month.