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 chief reason for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the chief reason for" is correct and usable in written English.
You can use it to indicate the primary cause or motivation behind a particular situation or action. Example: "The chief reason for the project's success was the team's dedication and hard work."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
57 human-written examples
The chief reason for the company's survival?
News & Media
The chief reason for Mr. Chafee's troubles appears to be Rhode Island's dismal economy.
News & Media
The chief reason for holding stocks is to smooth out bumps in the supply chain.
News & Media
The church says the chief reason for this upsurge is the revised law itself.
News & Media
But the chief reason for the primal drive to build forts?
News & Media
The committee cited Zoabi's participation in the flotilla as the chief reason for her disqualification.
News & Media
The chief reason for the overall slowdown was much slower growth in spending on prescription drugs.
News & Media
The chief reason for all this, I think, is that bottom shelf.
News & Media
It seems more than likely that the chief reason for Fremont's failure was the cunning destruction of his good name.
News & Media
The chief reason for interest in tasting ability, however, is that the frequency of tasters varies from population to population.
Encyclopedias
And the chief reason for that is obvious, with a quick look around any western European capital today: immigration.
News & Media
Expert writing Tips
Best practice
When using "the chief reason for", ensure that it is followed by a clear and specific explanation or cause. This provides context and strengthens the statement's impact.
Common error
Avoid using "the chief reason for" when there are multiple significant factors involved. If the reason is not definitively the most important, consider using phrases like "a major reason for" or "one of the primary reasons for".
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the chief reason for" functions as a connector, introducing the primary cause or motive behind a particular event, situation, or decision. As confirmed by Ludwig AI, this is a correct usage and clearly highlights the most significant factor.
Frequent in
News & Media
50%
Science
25%
Encyclopedias
10%
Less common in
Wiki
7%
Formal & Business
5%
Reference
3%
Ludwig's WRAP-UP
In summary, "the chief reason for" serves as a pivotal phrase for highlighting the primary cause or motive behind an event, situation, or decision. Ludwig AI confirms its correctness and usability in written English. It is commonly found in news, scientific, and encyclopedic contexts, suggesting its suitability for formal and analytical discussions. While highly versatile, it's important to use this phrase when the identified reason is definitively the most significant, avoiding overstatement when multiple factors are involved. Alternatives such as "the main reason for" or "the primary motive for" can be employed for similar effect. The phrase enjoys a high frequency and is supported by authoritative sources like The New York Times and The Economist.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the main cause of
Replaces 'chief reason' with 'main cause', focusing on causality.
the primary motive for
Substitutes 'reason' with 'motive', highlighting intention or purpose.
the principal factor in
Uses 'principal factor' instead of 'chief reason', emphasizing influence.
the leading explanation for
Replaces 'reason' with 'explanation', suggesting a justification.
the key determinant of
Substitutes 'chief reason' with 'key determinant', focusing on influence.
the fundamental basis for
Emphasizes the foundational aspect by using 'fundamental basis'.
the underlying rationale behind
Highlights the reasoning with 'underlying rationale'.
the core driver of
Focuses on the driving force by using 'core driver'.
the central impetus for
Replaces 'reason' with 'impetus', indicating a driving force.
the overriding consideration in
Highlights the importance of a 'consideration'.
FAQs
What are some alternatives to "the chief reason for"?
You can use alternatives like "the main reason for", "the primary motive for", or "the principal factor in" depending on the context.
How do I use "the chief reason for" in a sentence?
Use "the chief reason for" to introduce the most important cause or explanation for a particular event or situation. For example, "The chief reason for the project's delay was a lack of funding."
Is it appropriate to use "the chief reason for" in formal writing?
Yes, "the chief reason for" is suitable for formal writing. It is a clear and direct way to indicate the primary cause or motive.
What's the difference between "the chief reason for" and "a reason for"?
"The chief reason for" indicates the most important reason, while "a reason for" simply suggests one of potentially many reasons. The former emphasizes the primary cause, while the latter is less specific.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested