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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.

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

From Barron's

In February 2025 the UK NSC approved an "in-service evaluation" - a pilot screening programme - to gather UK-specific data.

From BBC

In June, both of Beijing’s in-service aircraft carriers were spotted operating in the Western Pacific close to Japan.

From The Wall Street Journal

Fixes were required on about 6,000 aircraft—or more than half of the in-service fleet—before their next flight.

From The Wall Street Journal

“Airbus has consequently identified a significant number of A320 Family aircraft currently in-service which may be impacted,” the statement continued.

From MarketWatch

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.