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
but primarily
Grammar usage guide and real-world examplesUSAGE SUMMARY
"but primarily" is correct and usable in written English.
You can use it to introduce an idea or concept that is most important or influential in relation to a particular subject, such as "The program is open to everyone, but primarily directed at students."
✓ Grammatically correct
News & Media
Science
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
57 human-written examples
But primarily I just love the smell.
News & Media
But primarily they are technological accessories".
News & Media
"But primarily we're happy with the way it turned out".
News & Media
But primarily they came for the northern lights.
News & Media
But, primarily, she's never seen herself as an elected official".
News & Media
But primarily, this was neither charity nor public relations.
News & Media
Tributes poured in on Sunday evening but, primarily, the message was of thanks.
News & Media
The magazine is mostly about architecture and design, but primarily buildings.
News & Media
They are aesthetically grand, but primarily they're full-fledged homes for the playwright's language and ideas.
News & Media
"I'm not anti-intellectual, but primarily I try to feel things.
News & Media
But primarily, geostrategic and economic interests prevail, and policy is not graven in stone.
News & Media
Expert writing Tips
Best practice
When using "but primarily", ensure that the contrasting element introduced by "but" is genuinely less significant than the element introduced by "primarily". This helps to maintain a clear and logical flow of information.
Common error
Avoid using "but primarily" when the elements you are connecting are of equal significance. This can confuse the reader and weaken your argument. Instead, use "and" or other coordinating conjunctions to indicate equal importance.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "but primarily" functions as a conjunctive adverbial phrase. It serves to introduce a contrasting element followed by the main or most important point. Ludwig confirms the proper usage of this phrase in various contexts.
Frequent in
News & Media
46%
Science
39%
Formal & Business
4%
Less common in
Wiki
7%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "but primarily" is a versatile phrase used to introduce the most important aspect of a subject, contrasting it with something less significant. As Ludwig AI points out, it's grammatically correct and widely used in various contexts, particularly in news, media, and scientific writing. While alternatives like "however mainly" or "yet principally" exist, "but primarily" offers a balance of formality and clarity. When using this phrase, ensure that the element introduced by "primarily" genuinely outweighs the preceding element to maintain a clear and logical flow. Steer clear of using it when connecting elements of equal significance. Ludwig examples show it’s common and accepted.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
however mainly
Replaces "primarily" with "mainly", providing a slightly less formal alternative to indicate the principal aspect.
yet principally
Uses "principally" instead of "primarily", offering a more formal synonym to highlight the key element.
though chiefly
Substitutes "primarily" with "chiefly", conveying that something is the most important or common.
while largely
Employs "largely" instead of "primarily", indicating that something is mainly or to a great extent true or applicable.
although mostly
Replaces "primarily" with "mostly", suggesting that something is true or occurs in most instances.
but above all
This alternative strongly emphasizes what follows as being of utmost importance. Changes the structure of the phrase.
but first and foremost
Highlights what follows as being the most important aspect, emphasizing priority and significance. Changes the structure of the phrase.
more significantly
Shifts the focus to emphasize what is more important or noteworthy, restructuring the sentence.
the main thing is
This choice alters the sentence structure to directly state the most important aspect.
the key point is
This option changes the phrase to focus on the central or crucial element.
FAQs
How can I use "but primarily" in a sentence?
Use "but primarily" to introduce the most important reason or aspect, contrasting it with something less significant. For example, "The event had many attractions, but primarily, people came for the live music."
What are some alternatives to using "but primarily"?
You can use alternatives like "however mainly", "yet principally", or "though chiefly" depending on the context.
Is it correct to start a sentence with "but primarily"?
While starting a sentence with "but" is generally acceptable in modern English, starting with "but primarily" is less common. It is grammatically correct, but consider whether rephrasing for a smoother flow might be preferable.
What's the difference between "but primarily" and "but mainly"?
While both "but primarily" and "but mainly" indicate the most important aspect, "but primarily" suggests a stronger emphasis on the primary element, whereas "but mainly" can imply that the other aspects are still quite significant.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested