line of duty

noun phrase

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

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

Dictionary Entries Near line of duty

Cite this Entry

“Line of duty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/line%20of%20duty. Accessed 5 Feb. 2023.

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