Duty and Objective

Duty

Duty noun - A charge usually of money collected by the government from people or businesses for public use.

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Objective and duty are semantically related. In some cases you can use "Objective" instead a noun "Duty".

Objective noun - Something that one hopes or intends to accomplish.

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Duty and objective are semantically related. Sometimes you can use "Duty" instead a noun "Objective".

particular	particular duty	particular objective
specific	specific duty	specific objective
original	original duty	original objective
true	true duty	true objective
Other adjectives: actual, real, main, important, personal, secret, new, major, sole, possible, final, secondary, military, primary, last.

In Call of Duty 4: Modern Warfare, there's the flashback mission with Captain MacMillan where the objective is to assassinate the Big Bad Zakhaev.

Source: Doomed by Canon
The original Call of Duty, United Offensive, Call of Duty 2 and Call of Duty 3 actually gave objectives that could be completed in any order the player desired, and there were often many alternate paths to an objective, each with their own pros and cons.

Source: No Sidepaths, No Exploration, No Freedom
Halfway through Call Of Duty 4, after you've completed the primary objective in Shock and Awe, there's a Diabolic Nuke Ex Machina, when you get a call that the bad guys have set up a nuke in Asaad's palace, then one of your fellow chopper pilots gets shot down.

Source: Diabolus ex Machina

Cite this Source

Objective and Duty. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/duty/objective

Duty & Objective. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/duty/objective>.

Objective or Duty. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/duty/objective.

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