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
is one where
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is one where" is grammatically correct and can be used in written English.
It is typically used to introduce a specific situation or scenario that is being described. Example: "The school is one where students are encouraged to think outside the box and explore their creative interests."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
And this is one where the totally off.
News & Media
"But this is one where I think they miscalculated.
News & Media
So a vector space is one where you take all combinations.
An accountability culture is one where individuals are expected to make decisions and own the consequences.
News & Media
It is one where all countries, including our own, mess around," he said.
News & Media
It is one where he deems what is necessary and the system should fall in line.
News & Media
A horizontal merger is one where two companies in the same industry join together.
News & Media
And the Old Merchants House (777-1089) is one where the open-house custom prevails.
News & Media
Generically a bad deal is one where people leave.
News & Media
The new promised land is one where the whole equation is a win for all participants.
News & Media
The new world investment order is one where asset returns continue to converge.
News & Media
Expert writing Tips
Best practice
When using "is one where", ensure that the clause following 'where' clearly and specifically describes the defining characteristic or condition of the subject. This provides clarity and strengthens the connection between the subject and its defining attribute.
Common error
Avoid using overly general or vague descriptions after "is one where". Ensure the description provides specific and meaningful information about the subject to avoid ambiguity and enhance clarity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is one where" functions as a relative clause introducer, connecting a subject to a defining characteristic or condition. It specifies a particular attribute, state, or location associated with the subject, providing further detail and context. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
49%
Science
21%
Formal & Business
14%
Less common in
Academia
5%
Wiki
7%
Encyclopedias
4%
Ludwig's WRAP-UP
In summary, the phrase "is one where" is a grammatically sound and frequently employed structure used to define or characterize a subject by specifying a condition, situation, or attribute directly associated with it. As confirmed by Ludwig AI, its primary function is descriptive and explanatory, making it suitable for a variety of contexts, although more common in neutral registers like News & Media and Science. When using "is one where", ensure that the description following it is specific and relevant to the subject to maintain clarity. Alternatives include "is a situation in which" and "is characterized by", providing writers with flexible options to express their ideas effectively.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is a scenario in which
Specifically denotes a sequence of events or hypothetical situation.
is a situation in which
Focuses specifically on the scenario or circumstance being described.
represents an instance where
Highlights that it serves as a depiction or representation of a given scenario.
is an example of
Explicitly states the phrase is an instance of something else.
is a case where
Highlights a particular instance or example.
is an environment where
Focuses on the surrounding conditions and influencing factors.
is a place where
Emphasizes the location or environment.
is characterized by
Highlights specific traits or attributes.
is defined by
Shifts the focus to the defining characteristics.
is typified by
Suggests a representative example.
FAQs
How can I use "is one where" in a sentence?
Use "is one where" to introduce a defining characteristic or situation related to a subject. For example, "A healthy workplace "is one where" trust is the predominant energy" demonstrates a characteristic of a healthy workplace.
What are some alternatives to "is one where"?
Alternatives include phrases like "is a situation in which", "is a case where", or "is characterized by", depending on the context and the specific nuance you want to convey.
Is it grammatically correct to use "is one where"?
Yes, "is one where" is grammatically correct and commonly used in English to introduce a clause that describes a specific aspect or condition of something.
What's the difference between "is one where" and "is when"?
"Is one where" is used to describe a place, situation, or condition, while "is when" refers to a specific time or occasion. For example, "A library "is one where" you can borrow books" (place) versus "Summer "is when" we go to the beach" (time).
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested