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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
major reason is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "major reason is" is correct and usable in written English.
You can use it to introduce the primary cause or explanation for a particular situation or outcome. Example: "The major reason is the lack of funding, which has hindered the project's progress."
✓ Grammatically correct
News & Media
Science
Academia
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
"[A] majority of Americans indicate the major reason is because of workload," NSF said in a statement.
News & Media
One major reason is the U.S. Senate.
News & Media
One major reason is timing.
News & Media
A major reason is commercial.
News & Media
A major reason is the recession.
News & Media
One major reason is the nature of the literature.
The major reason is caused by the flow pattern.
One major reason is the position of the jetstream.
"A major reason is the training," Kong said.
News & Media
One major reason is the growth of the Hispanic vote".
News & Media
One major reason is the current climate around gay clergy.
News & Media
Expert writing Tips
Best practice
Use "major reason is" to introduce the most significant cause or explanation in a clear and direct manner. This phrase is effective when you want to emphasize the primary factor influencing a situation.
Common error
Avoid using "major reason is" repeatedly within a short span of text. Vary your phrasing by using synonyms like "primary cause is", "main factor is", or "chief reason is" to maintain reader engagement and avoid sounding repetitive.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "major reason is" functions as a causal connector, introducing the primary explanation or cause for a given situation or outcome. Ludwig AI confirms its correctness and usability in written English.
Frequent in
News & Media
45%
Science
30%
Academia
15%
Less common in
Formal & Business
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, the phrase "major reason is" serves to introduce the primary cause or explanation for a situation, and Ludwig AI confirms its grammatical correctness. It's a versatile phrase, suitable for various contexts. While widely used, it's advisable to avoid overuse by incorporating synonyms like "primary cause is" or "main reason is". Predominantly found in News & Media, Science, and Academia, "major reason is" is a valuable tool for clear and effective communication. The numerous examples provided by Ludwig underscore its common usage and reliability across diverse domains.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
primary cause is
Replaces "major" with "primary", emphasizing the main cause.
main reason is
Substitutes "major" with "main", a common synonym.
principal reason is
Uses "principal" instead of "major", suggesting a leading cause.
chief reason is
Replaces "major" with "chief", indicating the most important reason.
key factor is
Shifts from "reason" to "factor", highlighting an important element.
the most important factor is
Emphasizes importance by specifying the superlative form of importance, therefore is a longer version.
a significant factor is
Indicates a considerable factor, less forceful than "major".
the underlying cause is
Focuses on a fundamental cause that may not be immediately obvious.
the primary driver is
Changes from "reason" to "driver", suggesting a force that propels something.
the root cause is
Indicates the fundamental reason, implying a deeper analysis.
FAQs
How can I use "major reason is" in a sentence?
The phrase "major reason is" introduces the primary cause or explanation for something. For example, "The "major reason is" the lack of funding."
What phrases are similar to "major reason is"?
Alternatives to "major reason is" include "primary cause is", "main reason is", or "key factor is".
When is it appropriate to use "major reason is" in writing?
Use "major reason is" when you want to highlight the most significant factor contributing to a situation or outcome. It's suitable for both formal and informal contexts.
Is "major reason is" more formal than "main reason is"?
The phrases "major reason is" and "main reason is" are largely interchangeable and carry a similar level of formality. The choice between them often comes down to personal preference or stylistic variation.
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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
4.5/5
Expert rating
Real-world application tested