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.
The ceremony honors Maryland police, firefighters, corrections officers, and emergency personnel who have died in the line of duty. Janay Reece, CBS News, 1 May 2026 Many of those heroes who died in the line of duty were members of law enforcement in Florida. Kenneth D. Robinson, The Orlando Sentinel, 1 May 2026 Ma supports the death penalty for those who kill police officers in the line of duty or commit heinous crimes against women and children. Los Angeles Times, 1 May 2026 To see their colleagues get shot and killed in the line of duty. The Editorial Board, Chicago Tribune, 30 Apr. 2026 At the time, Diller was the first NYPD officer to be killed in the line of duty in two years. ABC News, 27 Apr. 2026 One police officer was killed in the line of duty and another was critically injured in a shooting at a Chicago hospital by a suspect who was brought in to the emergency department, officials said. Marlene Lenthang, NBC news, 25 Apr. 2026 Smith went on to highlight the significance of the program after witnessing service dogs being stabbed or shot while in the line of duty. Moná Thomas, PEOPLE, 24 Apr. 2026 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

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 4 May. 2026.

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