- denoting training that is given to employees during the course of employment: an in-service course
WordReference Random House Unabridged Dictionary of American English © 2026
in-serv•ice
(in sûr′vis, in′sûr′-),USA pronunciation adj.
- taking place while one is employed:an in-service training program.
- 1925–30
Collins Concise English Dictionary © HarperCollins Publishers::
in-service adj
'in-service training' also found in these entries (note: many are not synonyms or translations):