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
primary basis
Grammar usage guide and real-world examplesUSAGE SUMMARY
"primary basis" is correct and can be used in written English.
For example: The primary basis for our decision was the cost-benefit analysis.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Academia
Alternative expressions(20)
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
It was also a primary basis for some of The Guardian's articles about the matter.
News & Media
Case studies in school system leadership will form the primary basis for classroom assignments and discussion.
Academia
The decisions "suggest that science is not the primary basis for your decisions," he wrote, asking for an explanation.
News & Media
It affirms race as the primary basis of identity and re-establishes the color line in American society.
News & Media
"Faulty fire doors mean faulty compartmentation and compartmentation is the primary basis of the stay-put strategy," said Lane.
News & Media
In the latter, play activities are used as the primary basis for communication between the child and the psychotherapist.
Encyclopedias
In the ancient Greco-Roman world, religious differences were the primary basis for anti-Semitism.
Encyclopedias
Traditionally chemical process design has been built on the primary basis of economic viability.
The court cited Public Citizen v. Dept. of Transportation, 541 U.S. 752 (2004) as the primary basis for its decision.
Academia
When President Jimmy Carter called for human rights as the primary basis of our foreign policy some 25 years ago, he was ridiculed by conservatives as being naïve.
News & Media
It does not account for scoring margin (the primary basis of Sagarin's ratings) or offensive and defensive efficiency (the guiding principles underlying Pomeroy's rankings).
News & Media
Expert writing Tips
Best practice
When using "primary basis", ensure clarity by specifying what exactly it is the basis for. For example, instead of "experience was the primary basis", write "experience was the primary basis for their decision".
Common error
Avoid using "primary basis" in overly complex sentences where simpler phrasing would improve readability. For instance, break down long sentences to enhance clarity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "primary basis" functions as a noun phrase, typically acting as a subject complement or object of a preposition. It identifies the main reason, foundation, or justification for something. Ludwig AI confirms that the phrase is grammatically sound and frequently used.
Frequent in
News & Media
29%
Science
28%
Encyclopedias
15%
Less common in
Academia
12%
Wiki
3%
Formal & Business
3%
Ludwig's WRAP-UP
The phrase "primary basis" is a commonly used noun phrase that signifies the main reason or foundation for something. According to Ludwig AI, it is grammatically correct and appropriate for use in various contexts, ranging from news and media to scientific and academic writing. While alternatives like "main reason" or "chief cause" exist, "primary basis" maintains a versatile and formal tone. To enhance clarity, ensure you specify what the "primary basis" is the foundation for. The examples show its extensive usage, validating its utility in formal and informal communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
main foundation
This alternative emphasizes the foundational aspect more strongly than "primary basis".
chief reason
This alternative focuses specifically on the reason or cause.
principal cause
Similar to "chief reason", but more formal and emphasizes causality.
fundamental reason
This alternative suggests a deeply rooted and essential cause.
core reason
Emphasizes the central and most important reason.
key element
Broader term, suggesting a critical component rather than just a reason.
central aspect
Focuses on a specific feature or part that is most important.
cornerstone
This implies a foundational and indispensable element.
essential factor
Highlights the necessity of a particular factor.
root cause
More specific to identifying the origin of a problem or situation.
FAQs
How can I use "primary basis" in a sentence?
You can use "primary basis" to indicate the main reason or foundation for something. For example, "The data served as the "primary basis" for our conclusions".
What are some alternatives to "primary basis"?
Alternatives include "main reason", "chief reason", "principal cause", and "fundamental reason", depending on the specific context.
Is "primary basis" formal or informal?
"Primary basis" is suitable for both formal and neutral contexts, frequently appearing in academic papers, news articles, and professional reports.
Can "primary basis" be replaced with "main basis"?
Yes, "main basis" is a very similar and often interchangeable alternative to "primary basis".
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested