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 large reason for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a large reason for" is correct and usable in written English.
It can be used to indicate a significant factor or cause behind a particular situation or outcome. Example: "The lack of funding was a large reason for the project's failure."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(17)
a major factor in
a significant cause of
a major cause of
a significant factor in
a primary driver of
a main reason for
a key contributor to
an important element in
a substantial influence on
a notable aspect of
a central component of
a major reason for
a substantial reason for
a compelling reason for
a specific reason for
a real reason for
a legitimate reason for
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
32 human-written examples
The human element is a large reason for that.
News & Media
A large reason for this transformation is immigration.
News & Media
Distressed sales were a large reason for plummeting prices last year.
News & Media
To say American yoga is just aerobics with chanting misses a large reason for its popularity.
News & Media
And a large reason for that is that Democrats have quickly rallied to her cause.
News & Media
The scale of this operation is a large reason for the scale of the ongoing mass extinction of other organisms.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
A larger reason for these often self-defeating decisions is a lack of good information.
News & Media
This is a large reason that for reformers, provocateurs and critics outside their orbit, pessimism is the fashion today.
News & Media
Since memories are a particularly large reason for feeling sentimental, photographs can become a means by which you can keep your memory and toss the object.
Wiki
This overwhelmingly positive brand view was a large reason Colgate bought them for $100m a few years ago.
News & Media
Trump's unfiltered and candid way of talking was a large reason why people voted for him.
News & Media
Expert writing Tips
Best practice
When using "a large reason for", ensure that the context clearly establishes a cause-and-effect relationship, making the reason's impact evident to the reader.
Common error
Avoid using "a large reason for" when the reason is actually minor or one of many equally important factors. Be precise in assessing the magnitude of its influence.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a large reason for" functions as a noun phrase that identifies a significant cause or explanation. It is used to highlight a particular factor that has had a substantial impact on an event or situation, as confirmed by Ludwig's examples.
Frequent in
News & Media
50%
Science
25%
Wiki
15%
Less common in
Encyclopedias
3%
Formal & Business
2%
Academia
5%
Ludwig's WRAP-UP
In summary, "a large reason for" is a common and grammatically correct phrase used to indicate a significant cause or contributing factor. As confirmed by Ludwig, it appears frequently in news, science, and wiki contexts. While alternatives like "a major cause of" or "a significant factor in" exist, it's crucial to ensure the reason's impact is genuinely substantial to avoid overstatement. Pay attention to source authority to gauge how the phrase is employed in diverse contexts and registers to improve writing precision and overall impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a major cause of
Replaces "reason" with "cause", emphasizing causality.
a significant factor in
Substitutes "reason" with "factor", highlighting importance.
a primary driver of
Replaces the entire phrase with a more dynamic expression.
a key contributor to
Highlights the contribution aspect of the reason.
an important element in
Focuses on the elemental nature of the reason.
a substantial influence on
Shifts from reason to influence, changing the perspective slightly.
a notable aspect of
Emphasizes the noteworthiness of the reason.
a considerable determinant of
Uses more formal language to indicate a decisive factor.
a central component of
Highlights that the reason is a core part of something.
a critical justification for
Focuses on the justification provided by the reason.
FAQs
How can I use "a large reason for" in a sentence?
Use "a large reason for" to introduce a significant cause or explanation. For instance, "The company's bankruptcy was "a large reason for" the widespread job losses".
What can I say instead of "a large reason for"?
You can use alternatives like "a major cause of", "a significant factor in", or "a primary driver of" depending on the context.
Is it correct to say "a main reason for" instead of "a large reason for"?
Yes, "a main reason for" is a perfectly acceptable alternative. Both phrases convey that the stated reason is important, but "large" emphasizes the magnitude of impact.
When is it more appropriate to use "a key reason for" over "a large reason for"?
"A key reason for" implies that the reason is essential or crucial, whereas ""a large reason for"" suggests the reason had a substantial impact. Choose based on whether you want to stress importance or impact.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested