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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
not only is
Grammar usage guide and real-world examplesUSAGE SUMMARY
"not only is" is a correct and usable phrase in written English.
It can be used to provide a comparison between two or more items or ideas that are similarly relevant. For example, "Not only is she a talented writer, but she is also a gifted painter."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(6)
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
Not only is this exhausting.
News & Media
Not only is "Duck!
News & Media
Not only is the water higher.
News & Media
Not only is this inconvenient, but impractical.
Academia
Not only is it a good compromise., Not only is it safe.
Academia
Not only is there no power.
News & Media
Not only is she a lady.
News & Media
Worse, not only is there no respect.
News & Media
"Not only is it real – it's terrifying".
News & Media
Not only is he tall, he's wide.
News & Media
Anti-partisanship not only is futile, it can be dangerous.
Academia
Expert writing Tips
Best practice
Use "not only is" to introduce a statement that will be followed by another, often surprising or noteworthy, piece of information. Make sure to balance the sentence with a coordinating conjunction such as "but also" to create a complete thought.
Common error
Avoid omitting the "but also" clause after using "not only is". Without it, the sentence can feel unfinished and grammatically incorrect. For example, instead of "Not only is it effective, it's cheap", write "Not only is it effective, but it's also cheap."
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not only is" serves as an introductory element that sets up a comparison or addition, highlighting multiple attributes or aspects of a subject. It typically precedes the first characteristic being emphasized, with a coordinating conjunction like 'but also' completing the structure. According to Ludwig, this is correct and usable in written English.
Frequent in
News & Media
64%
Academia
25%
Formal & Business
11%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "not only is" is a versatile phrase used to emphasize multiple aspects of a subject, typically followed by a "but also" clause. Ludwig AI confirms its correct usage in written English. Predominantly found in news and media, as well as academic contexts, the phrase maintains a neutral register suitable for diverse writing styles. To avoid common errors, ensure you always complete the parallel structure with a coordinating conjunction. Consider related phrases like "in addition to being" or "as well as being" for variety. By understanding its function, purpose, and register, you can effectively incorporate "not only is" into your writing to create nuanced and impactful statements.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it's not only
Reorders the phrase, changing the emphasis slightly.
in addition to being
Replaces "not only is" with a prepositional phrase emphasizing the additional quality or state.
as well as being
Similar to "in addition to being", but with a slightly more informal tone.
besides being
Offers a more casual alternative, implying an additional, often unexpected, quality.
furthermore, it is
A more formal and emphatic way to introduce an additional point.
moreover, it is
Similar to "furthermore, it is", conveying a sense of progression and emphasis.
it is also
A simpler and more direct way to state an additional fact or quality.
on top of that, it is
An informal way to add another characteristic, often implying surprise or escalation.
not just is it
Inverts the original structure for emphasis, particularly in spoken English.
additionally, it functions as
Highlights an extra function or purpose.
FAQs
How can I use "not only is" in a sentence?
Use "not only is" to emphasize two related points about a subject. For example, "Not only is this restaurant affordable, but it also serves delicious food."
What's a more formal way to say "not only is"?
For a more formal tone, consider using "in addition to being" or "furthermore, it is". For example, "In addition to being skilled, she is also very dedicated."
Which is correct, "Not only is it" or "It is not only"?
"Not only is it" is generally preferred for emphasis at the beginning of a sentence. "It is not only" is also correct but places less emphasis on the initial point.
What can I say instead of "not only is" to sound less repetitive?
To avoid repetition, try alternatives such as "as well as being" or "besides being". These variations offer a similar meaning with slightly different emphasis.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested