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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
at extent
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at extent" is not correct and not usable in written English.
It seems to be a confusion of phrases, possibly intending to convey a sense of degree or scope. Example: "The project was successful to a great extent, exceeding our expectations."
⚠ May contain grammatical issues
News & Media
Science
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
3 human-written examples
I told her: 'It'll be alright, beta [child].'" Doctors had been appalled at extent of the woman's injuries.
News & Media
A20 NEW YORK/REGION B1-8 Study Looks at Extent Of 9/11 Compensation The Rand Corporation has released a two-year study that aimed to be the most comprehensive accounting of how much victims and businesses affected by Sept. 11 have been compensated by private and public means.
News & Media
They were backed by a big visiting support that helped pack Recreation Park to such at extent that kick-off was delayed by 10 minutes.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
The NZCR data included year of diagnosis, date of birth, age at diagnosis, extent of disease at diagnosis and ethnicity.
Science
RNA polymerase pausing has been identified by GRO-seq analysis (Min et al., 2011) at variable extents at many genes in ES cells cultured in serum.
Science
"Expert medical witnesses described their shock at the extent of Daniel's emaciation at his death.
News & Media
And I was surprised at the extent of it.
News & Media
They seemed themselves astonished at the extent of the control.
News & Media
"I'm quite surprised at the extent of the record.
News & Media
I was shocked at the extent to which all this turns out to be predestined".
News & Media
Solarz declared that he was "appalled" at the extent of the intelligence reports.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "at extent" in formal writing. Instead, use grammatically correct alternatives such as "to what extent" or phrases that specify degree, scope, or scale, depending on the intended meaning.
Common error
A common error is to use "at extent" when intending to ask about the degree or scope of something. This is grammatically incorrect. Always use "to what extent" or rephrase to use alternatives like "to what degree" or "regarding the scope".
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at extent" is generally considered grammatically incorrect. The intended function appears to be to express a degree or scope, but it fails to do so following standard English grammar rules. As Ludwig AI confirms, the phrase is not usable in written English.
Frequent in
News & Media
67%
Science
33%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "at extent" is grammatically incorrect and should be avoided in both formal and informal writing. Ludwig AI confirms that it is not usable in written English. While its intended meaning often relates to the degree or scope of something, it fails to convey this effectively. Instead, use grammatically correct alternatives like "to what extent", "to what degree", or rephrase your sentence to use clearer and more precise language. Although Ludwig provides examples where this phrase appears, its consistent miscategorization and grammatical issues suggest sticking to recognized alternatives.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
to what extent
This alternative corrects the grammar by adding 'what', making it a standard way to inquire about the degree or scope of something.
to what degree
This alternative uses 'degree' to specify the level or intensity of something, differing from 'extent' which focuses on scope or range.
to the degree that
This phrase specifies a limit or boundary, indicating how far something goes, offering a more precise measurement compared to the broader 'extent'.
to the level that
This focuses on the height of something, or it indicates the point at which something is achieved or reached, more specific than a general "extent".
to the magnitude that
This refers to the size or scale of something, offering a more emphatic way to express importance or impact, more direct than using "extent".
within the scope of
This limits the boundaries of a topic or action, clearly defining what's included, different from general measurement of "extent".
in terms of scope
This highlights the breadth or range of a subject, clarifying the perspective, while "at extent" is ungrammatical.
regarding the scope
This phrase indicates you are focusing on the range of something, which isn't implied by "at extent".
considering the scale
This emphasizes size or relative importance, offering a specific point of evaluation, more specific than the general idea of "extent".
taking into account the scale
This phrase describes something that should be considered because of its range or size, while "at extent" is ungrammatical.
FAQs
What does "to what extent" mean, and how does it differ from "at extent"?
"To what extent" inquires about the degree, scope, or range of something, such as, "To what extent will this affect our plans?" The phrase "at extent" is grammatically incorrect and should not be used.
Can I use "at extent" in formal writing?
No, "at extent" is not considered grammatically correct. In formal writing, use "to what extent" or other appropriate phrases like "to what degree" or "regarding the scope".
What are some alternatives to "to what extent" that I can use in my writing?
Depending on the context, you can use alternatives such as "to what degree", "how much", "regarding the scope", or "in what measure".
Is it ever correct to use "at extent" in any context?
No, the phrase "at extent" is not grammatically correct in standard English. Even in informal contexts, it is best to use correct alternatives such as "to what extent" to ensure clarity and accuracy.
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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
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested