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
the principal concern
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the principal concern" is correct and usable in written English.
It can be used to refer to the main issue or priority in a discussion or situation. Example: "The principal concern of the committee was ensuring the safety of all participants during the event."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(5)
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
60 human-written examples
The principal concern remains the oil itself.
News & Media
Thursday may be the rainiest day, Quinn said, and lightning may be the principal concern Saturday.
News & Media
But the principal concern could also prove the biggest hurdle – water supply.
News & Media
Then, it was the ransom issue that was the principal concern.
News & Media
The company's finance chief, Keith Nichols, said: "The principal concern remains the decorative paint markets in Europe.
News & Media
The principal concern of any government in a slump should be to restore capital investment and ensure sufficient demand to restore business confidence.
News & Media
The principal concern is I think you can achieve some of the things he wants to achieve without schools having to convert to academy status.
News & Media
In time it is believed that the various Cold Wars will end, and cease to be the principal concern of American, Soviet & Chinese policy.
News & Media
They argue that republicans have been granted too many concessions and have not come through on the principal concern to their community -- the dismantling of I.R.A. arsenals.
News & Media
The presence of a cutting edge is therefore characteristic of most tools, and the principal concern of toolmakers has been the pursuit and creation of improved cutting edges.
Encyclopedias
Ritual purity was the principal concern of the compilers of the manuals of dharma (religious law), which have contributed much to the special character of Hinduism.
Encyclopedias
Expert writing Tips
Best practice
Use "the principal concern" to clearly and directly identify the most important issue at hand. This phrase is suitable for formal writing and professional communication.
Common error
Avoid using "the principal concern" when referring to a minor or secondary issue. Ensure the concern truly is the most significant factor in the context you're describing.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the principal concern" functions as a noun phrase, identifying the most important issue or worry in a given context. Ludwig AI confirms that it is correct and usable in written English.
Frequent in
News & Media
39%
Science
37%
Encyclopedias
7%
Less common in
Wiki
5%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "the principal concern" is a grammatically sound and frequently used phrase that serves to highlight the most important issue in a given situation. Ludwig AI affirms its correctness and usability. Its register is generally neutral to formal, making it suitable for a variety of contexts, including news, scientific writing, and business communications. While alternatives exist, such as "the main issue" or "the primary worry", "the principal concern" offers a clear and direct way to emphasize the significance of a particular matter. Remember to use it when you truly want to identify the most pressing problem or priority.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the main worry
Replaces "concern" with "worry", emphasizing anxiety.
the primary issue
Uses "primary" instead of "principal" and "issue" instead of "concern", indicating a key matter.
the chief problem
Substitutes "principal" with "chief" and "concern" with "problem", focusing on a difficulty.
the key consideration
Focuses on an important factor to consider.
the central matter
Emphasizes the centrality of the issue, using more formal language.
the major preoccupation
Replaces "concern" with "preoccupation", suggesting a dominating thought.
the overriding priority
Highlights the dominance of a specific priority.
the foremost apprehension
Emphasizes fear or anxiety using "apprehension".
the dominant anxiety
Focuses on anxiety using "dominant" emphasizing its importance.
the greatest fear
Replaces "concern" with "fear" emphasizing potential negative outcomes.
FAQs
How can I use "the principal concern" in a sentence?
Use "the principal concern" to highlight the most important issue or worry in a given situation. For example, "The principal concern is the lack of funding for the project.".
What are some alternatives to using "the principal concern"?
Alternatives include phrases like "the main issue", "the primary worry", or "the chief problem", depending on the specific nuance you want to convey.
Is it better to say "main concern" or "principal concern"?
Both "main concern" and "principal concern" are grammatically correct. "Principal concern" tends to be slightly more formal and emphasizes the importance of the issue, while "main concern" is more commonly used in everyday language.
What is the difference between "the principal concern" and "a concern"?
"The principal concern" refers to the single most important issue, while "a concern" refers to any issue or worry, regardless of its importance. Use "the principal concern" when you want to emphasize the most pressing matter.
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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested