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 principal responsibility
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a principal responsibility" is correct and usable in written English.
You can use it to refer to a primary or main duty or obligation in a professional or organizational context. Example: "As the project manager, my principal responsibility is to ensure that the team meets all deadlines and delivers high-quality work."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(4)
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
3 human-written examples
However Morrison said he had been "underwhelmed" with the agreement's ability to reduce homelessness, which he said was "a principal responsibility of the states".
News & Media
He was chosen by other inmates to be chief of security with a principal responsibility to protect outsiders brought in to negotiate an end to the crisis.
News & Media
Ariel Sharon once called him the "greatest obstacle to peace and stability in the Middle East" – a "principal responsibility" sort of argument that has historically been launched at the occupied more than the occupier.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Elliot Smith encouraged Zuckerman's interest in comparative anatomy and psychology, and, after taking his MD in 1928, Zuckerman was appointed prosector at the London Zoo – a job whose principal responsibility was to determine the cause of the (numerous) deaths among the zoo's primate inhabitants.
The principal responsibility of a modern central bank differs according to the choice of monetary standard.
Encyclopedias
So, my principal responsibility by a country mile, my most important responsibility is governing the country well, with no ulterior motive other than to govern the country well and that's what I'll focus on doing.
News & Media
Principal responsibility is shifting from an organisation's chief operating officer to the tax department, who have less interest or influence in reducing energy use.
News & Media
His principal responsibility was to draw up a Constitution for the new country, which became an independent nation on March 21 , 1990
News & Media
Last December, James M. Mahoney, a vice president at the New York Fed who said he had principal responsibility for the Maiden Lane II transaction, testified that the New York Fed intended to receive litigation claims associated with the troubled mortgage securities.
News & Media
During the raids, 20 officers from what is officially known as Scotland Yard's special operations unit, whose principal responsibility is counterterrorism, took Mr. Green's fingerprints and a DNA sample, seized his cellphone and BlackBerry, and froze his parliamentary e-mail account.
News & Media
Dr. Singh's position was that the State has responsibility for the provision of education and that "the principal responsibility of education lies with Governments, thus emphasizing a need to preserve education as a public good, which must not be reduced to a profit-making business".
News & Media
Expert writing Tips
Best practice
When using "a principal responsibility", clearly define the context and scope of the responsibility to avoid ambiguity. For instance, specify whose responsibility it is and what it entails.
Common error
Avoid using "a principal responsibility" when referring to minor or secondary tasks. Reserve this phrase for duties that are genuinely critical and central to the overall objective.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a principal responsibility" functions as a noun phrase, often acting as a subject complement or an object of a preposition. It identifies a significant duty or obligation, as illustrated by Ludwig's examples.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
33%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a principal responsibility" is used to denote a key or main duty. Ludwig AI identifies it as grammatically correct, though relatively rare in usage. Its primary function is to clearly define a significant obligation, often in formal contexts such as news, science, and encyclopedic entries. Consider related phrases like "a primary responsibility" or "a chief responsibility" to achieve specific nuances. When using "a principal responsibility", ensure the context clearly defines the scope and assignment of the duty. While the phrase itself is correct, avoid overstating the importance of minor tasks by using it inappropriately.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a primary responsibility
Replaces "principal" with "primary", emphasizing the main or foremost duty.
a chief responsibility
Substitutes "principal" with "chief", highlighting the leading or most important duty.
a main responsibility
Uses "main" instead of "principal", indicating the most important or central duty.
a key responsibility
Replaces "principal" with "key", emphasizing the crucial or essential nature of the duty.
a core responsibility
Uses "core" instead of "principal", focusing on the fundamental or central duty.
a central responsibility
Substitutes "principal" with "central", highlighting the duty at the heart of the matter.
a leading responsibility
Replaces "principal" with "leading", indicating a significant or guiding duty.
an overriding responsibility
Uses "overriding" instead of "principal", emphasizing the paramount or superior nature of the duty.
a foremost responsibility
Substitutes "principal" with "foremost", highlighting the duty that comes first or is most prominent.
a paramount responsibility
Replaces "principal" with "paramount", indicating the supreme or highest duty.
FAQs
How can I use "a principal responsibility" in a sentence?
You can use "a principal responsibility" to describe a main duty or obligation. For instance: "Ensuring data security is "a principal responsibility" of the IT department."
What are some alternatives to "a principal responsibility"?
Alternatives include "a primary responsibility", "a chief responsibility", or "a main responsibility depending" on the specific nuance you want to convey.
Is it correct to say "the principal responsibility" instead of "a principal responsibility"?
Both can be correct, but they have slightly different meanings. "A principal responsibility" implies one of several important responsibilities, while "the principal responsibility" suggests it is the single most important one.
What is the difference between "a principal responsibility" and "a main duty"?
While similar, ""a principal responsibility"" often suggests a higher level of importance or authority compared to "a main duty". The former is often used in more formal or official contexts.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested