Definition of "in-service" in English

adjective

1. (chiefly British, of training etc.) Taking place when one is an employee.

2. Relating to or being a full-time employee.

   • We offer both in-service and full-time employee training.

verb

1. (transitive) To train or educate (someone) while they are working; to give on-the-job training to.

   • She spends most of her time in-servicing teachers in helping struggling students.