Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a primary duty
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a primary duty" is correct and usable in written English.
It can be used to refer to the main responsibility or obligation that someone has in a particular role or job. Example: "As a project manager, a primary duty is to ensure that the team meets its deadlines and stays within budget."
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
9 human-written examples
Only later did monetary policy managing economic growth and inflation become a primary duty.
News & Media
"Controlling the quantity and quality of people that come into your country is a primary duty of government and we can't do it as members of the EU".
News & Media
The EHCR determined that the obligation in Article 2 entails, above all, a primary duty on the State to put in place a clear legislative and administrative framework designed to provide effective deterrence against threats to the right to life.
Starting from the assumption that the appropriate (or "natural") unit of culture is an ethno-nation, it claims that a primary duty of each member is to abide by one's recognizably ethno-national culture in all cultural matters.
Science
In summary, for future reference: Classical nationalism is the political program that sees the creation and maintenance of a fully sovereign state owned by a given ethno-national group ("people" or "nation") as a primary duty of each member of the group.
Science
However, it seemed that the agency considered these as favours on their part and not a primary duty.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
How else can "any willing provider" be interpreted when the regulator, Monitor, has a new primary duty "to promote competition"?
News & Media
"For the second year in a row primary duty bearers of children in Iraq have heeded the call to protect the fundamental rights of Iraq's 15 million children" noted Sikander Khan, UNICEF Representative in Iraq.
Formal & Business
It was also part of the domestic comfort that was a wife's primary duty.
News & Media
In one 2013 survey for the United Nations Population Fund, 88.5% of 2,402 respondents named looking after the family as a woman's primary duty.
News & Media
But opponents say the delivery of death by a machine violates the first law of robotics as laid out in 1942 by the science fiction writer Isaac Asimov – that a robot's primary duty is to protect humans – and even within the military, there are concerns that such scenarios cross a fundamental boundary.
News & Media
Expert writing Tips
Best practice
When describing roles or positions, use "a primary duty" to clearly define the most important obligation. For example, "As a firefighter, a primary duty is to save lives."
Common error
Avoid using "a primary duty" for tasks that are merely routine or secondary. Reserve it for responsibilities that are truly essential and define the core purpose.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a primary duty" functions as a noun phrase, typically serving as a subject complement or an object. It identifies or describes the most important responsibility associated with a role, position, or entity. Ludwig AI indicates that this phrase is grammatically correct and frequently used.
Frequent in
News & Media
50%
Science
40%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a primary duty" refers to the most important responsibility or obligation within a given context. Ludwig AI confirms its grammatical correctness and common usage. It functions as a noun phrase, clarifying essential obligations and often appearing in news, scientific, and formal business contexts. While alternatives like ""a main responsibility"" or ""a chief obligation"" exist, "a primary duty" effectively conveys the significance of the task at hand. Remember to reserve this phrase for truly essential responsibilities to avoid diluting its impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a main responsibility
Focuses on the idea of being the most important responsibility.
a chief obligation
Highlights the binding nature of the duty as an obligation.
a core responsibility
Emphasizes that the duty is central and fundamental.
a key responsibility
Underscores the importance of the duty.
a central task
Shifts focus to the action or task aspect of the duty.
a principal function
Highlights the role or purpose the duty serves.
a leading responsibility
Implies that the duty is at the forefront of all responsibilities.
a foremost duty
Emphasizes the priority and importance of the duty.
an essential task
Highlights the task as indispensable and crucial.
a critical responsibility
Stresses the vital and significant nature of the responsibility.
FAQs
How can I use "a primary duty" in a sentence?
You can use "a primary duty" to describe the most important responsibility or obligation of a person or entity. For instance, "A doctor's primary duty is to care for their patients."
What are some alternatives to "a primary duty"?
Alternatives include "a main responsibility", "a chief obligation", or "a core responsibility". The best choice depends on the specific context and the nuance you wish to convey.
Is it redundant to say "the main primary duty"?
Yes, using "main" and "primary" together is typically redundant since both words indicate the highest level of importance. Stick to either "a primary duty" or "the main duty".
What is the difference between "a primary duty" and "a secondary duty"?
"A primary duty" is the most important or main responsibility, while a secondary duty is a less important or supporting task.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested