in-service

adjective
in-ser·​vice | \ ˈin-ˈsər-vəs How to pronounce in-service (audio) \

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 the meaning defined at sense 1

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The first known use of in-service was in 1928

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More Definitions for in-service

in-service

adjective

English Language Learners Definition of in-service

: happening while you are being paid to work

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