Duty and Function

Similar meaning words

Duty noun - A piece of work that needs to be done regularly.

Usage example: the regular duties of a lifeguard

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Function is a synonym for duty in responsibility topic. In some cases you can use "Function" instead a noun "Duty", when it comes to topics like job, obligation, principle, profession. popular alternative

Function noun - An assignment at which one regularly works for pay.

Usage example: what's your function in this company?

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Duty is a synonym for function in purpose topic. You can use "Duty" instead a noun "Function", if it concerns topics such as capacity, responsibility, obligation, principle. popular alternative

full	full duty	full function
particular	particular duty	particular function
usual	usual duty	usual function
specific	specific duty	specific function
Other adjectives: regular, original, true, actual, real, main, social, diplomatic, important, secret, necessary, new, major, sole, secondary, military, extra, royal, official, primary.

Time Police: The Freelancers are a vigilante cult who, in the absence of any real Time Police (that we've seen so far anyway), decide it's their duty to serve precisely this function.

Source: Series / Continuum
The typically proper and conservative Bolander is unlikely to get drunk and get naked while on duty or at a function like a Police conference.

Source: Series / Homicide: Life on the Street
One person can control the ship by themselves, but without additional crew at the various duty stations for weapons, shields etc they function noticeably worse.

Source: Crew of One

Cite this Source

Function and Duty. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/duty/function

Duty & Function. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/duty/function>.

Function or Duty. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/duty/function.

Google Ngram Viewer shows how "duty" and "function" have occurred on timeline