Dictionary.com
Thesaurus.com
Synonyms

in-service

American  
[in-sur-vis, in-sur-] / ɪnˈsɜr vɪs, ˈɪnˌsɜr- /

adjective

  1. taking place while one is employed.

    an in-service training program.


in-service British  

adjective

  1. denoting training that is given to employees during the course of employment

    an in-service course

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of in-service

First recorded in 1925–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"The in-service evaluation in England will help inform a recommendation from the UK NSC whether screening for SMA should be included as part of the newborn blood spot screening programmes across the UK," it added.

From BBC Aug. 9, 2026

Separately, your husband’s consulting income may make him eligible for a “mega backdoor Roth” if his employer’s plan allows after-tax contributions and in-service Roth conversions.

From MarketWatch Jul. 20, 2026

Downloading an album in-service for $10 might be an underrated way to support artists directly, and own the music.

From Los Angeles Times Jun. 16, 2026

All in-service 737 MAX airplanes will be able to continue operating safely.

From Barron's Mar. 11, 2026

But Calista paid the ticket man for both our tickets, and when he gave me a funny look, she said, “School in-service day.”

From Absolutely Almost by Lisa Graff

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training