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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
solely one
Grammar usage guide and real-world examplesUSAGE SUMMARY
'solely one' is a correct and usable phrase in written English.
It is an adverbial phrase that is used to indicate that something is the only one of its kind. For example, "In the kingdom, there was solely one king at a time."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(8)
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
39 human-written examples
Also think about all opportunities rather than fixing on solely one or two career ideas.
News & Media
All included studies were performed on small sample sizes (6 to 15 participants), most likely due to the great study effort, and thus, conclusions with regard to a greater population based on solely one intervention should be drawn carefully.
Science
There's no real fat to be cut on either end, because the decade was solely one of selfish indulgence, and it wouldn't be so far-fetched to say that the consequences of its worst offenders are only now being felt by a generation that is at least twice removed.
News & Media
Contrary to what many residents fear, the story is not solely one of white newcomers pushing out black residents.
News & Media
But we all wear different masks in different situations; I don't know that anyone is ever solely one thing.
News & Media
The power of the people (demos) is handed over to foreign and local lenders, who ask from the Greek government solely one thing: some more time in order to transfer the Greek debt to the European Central Bank; that is to European taxpayers.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
21 human-written examples
This recommendation is also rooted in the recognition that no country, not even high income ones, has achieved complete coverage, relying solely on one single financing strategy [ 4].
He doesn't believe in relying solely on one's natural gifts.
News & Media
Unlike Silicon Valley in California, with its emphasis on information technology, New Jersey does not rely solely on one high-tech industry, officials say.
News & Media
It's important, Domen argues, that we diversify our diets rather than rely solely on one ingredient across so many products.
News & Media
I cook solely on one for 30 guests once a week at my Underground Restaurant, and feel I must stick up for this behemoth, the Rolls Royce of cookers.
News & Media
Expert writing Tips
Best practice
Use "solely one" to emphasize that there is only one instance or element being considered, especially when contrasting it with the possibility of multiple options or factors.
Common error
While grammatically correct, "solely one" can sound overly formal in casual conversation. Opt for the simpler "only one" or "just one" in informal settings.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "solely one" functions as an adverbial modifier emphasizing that something is exclusively limited to a single instance. It highlights the singularity of a factor, object, or characteristic. This is supported by Ludwig's examples demonstrating its use in scientific and news contexts.
Frequent in
Science
60%
News & Media
27%
Formal & Business
13%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "solely one" is a grammatically correct and commonly used expression that emphasizes exclusivity and uniqueness. According to Ludwig, it serves as an adverbial modifier, highlighting that only a single instance is being considered. While versatile, it is more suited for formal and scientific contexts due to its precise and unambiguous nature. Alternatives like "only one" and "just one" are suitable for more informal settings. Ludwig's examples show its prevalence across science, news media, and formal business, reinforcing its role in conveying a singular focus.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
only one
A more common and direct synonym for "solely one", emphasizing the absence of others.
exclusively one
Replaces "solely" with "exclusively", emphasizing the exclusivity of the item or concept.
precisely one
Emphasizes exactness and the unique identity of a single item.
specifically one
Highlights that something is precisely and definitely one, rather than others.
uniquely one
Substitutes "solely" with "uniquely", highlighting the distinct and unparalleled nature of the item.
singularly one
Replaces "solely" with "singularly", highlighting the individual and unique nature.
purely one
Replaces "solely" with "purely", emphasizing the unmixed or untainted nature of something.
merely one
Uses "merely" instead of "solely", suggesting that something is only one and nothing more.
just one
Employs "just" in place of "solely", indicating a simple or straightforward singularity.
particularly one
Implies special focus on a single item, but slightly shifts the meaning from exclusivity to importance.
FAQs
How can I use "solely one" in a sentence?
Use "solely one" to emphasize that only a single item or factor is being considered. For example, "The decision was based "solely on" one criterion" highlights the singular focus.
What are some alternatives to "solely one"?
You can use alternatives like "only one", "just one", or "exclusively one" depending on the nuance you want to convey.
Is "solely one" more formal than "only one"?
Yes, "solely one" tends to be more formal and is often found in academic, scientific, or business writing, while "only one" is more neutral and suitable for a wider range of contexts.
When should I use "solely one" instead of "simply one"?
"Solely one" emphasizes exclusivity and that nothing else is involved. "Simply one" suggests ease or lack of complexity, so choose the phrase that best fits the intended meaning.
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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
4.3/5
Expert rating
Real-world application tested