line of duty

noun phrase

: all that is authorized, required, or normally associated with some field of responsibility

Examples of line of duty in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There have been 314 officers shot in line of duty nationwide so far this year, according to the National Fraternal Order of Police. Adam Harrington, CBS News, 9 Dec. 2025 From detectives leaving the line of duty to family members meeting their untimely demise, the CBS series said goodbye to several fan-favorite characters throughout its 14-year run. Allison Degrushe, Entertainment Weekly, 2 Dec. 2025 An election for Wyandotte County sheriff this November comes on the heels of a year fraught with hardships for the department, including a deputy’s line of duty death and a jail worker charged with murder after an inmate died at the county detention center. Kendrick Calfee, Kansas City Star, 23 Oct. 2025 Out of respect for two people who'd lost their lives in their line of duty, doing their jobs documenting the truth as journalists, U.S. soldiers lined up in the darkness on either side as David and Zabi were carried off the helicopter. Tom Bowman, NPR, 14 Oct. 2025 In all, 65 officers have fallen in the line of duty this year, according to the Officer Down Memorial Page — including 37 killed by hostile gunfire or physical or vehicular assault. Marc Ramirez, USA Today, 18 Sep. 2025

Word History

First Known Use

circa 1918, in the meaning defined above

Time Traveler
The first known use of line of duty was circa 1918

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Cite this Entry

“Line of duty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20duty. Accessed 13 Jan. 2026.

Last Updated: - Updated example sentences
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