in-service

adjective in-ser·vice \ ˈin-ˈsər-vəs \

Definition of in-service

1 : going on or continuing while one is fully employed
  • in-service teacher education workshops
2 : of, relating to, or being one that is fully employed
  • in-service police officers

First Known Use of in-service

1928


IN-SERVICE Defined for English Language Learners

in-service

adjective

Definition of in-service for English Language Learners

  • : happening while you are being paid to work


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