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
an extensive region
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an extensive region" is correct and usable in written English.
It can be used to describe a large area or expanse, often in geographical or metaphorical contexts. Example: "The national park encompasses an extensive region filled with diverse wildlife and stunning landscapes."
✓ Grammatically correct
Science
Encyclopedias
Academia
News & Media
Alternative expressions(7)
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
34 human-written examples
An ice sheet covered an extensive region of southern Chile SEP during the last glacial-interglacial cycles, from Chiloé Island at 41°S to Cape Horn at 56°S [ 26].
Science
We therefore developed a TSLF map for an extensive region in eastern Canada (217,000 km2) by generalizing the empirical relationships that exist between regional historical records of fire (1880 2000) with forest inventory data and biophysical variables.
This process requires an extensive region of sequence homology between the damaged and template strands.
Science & Research
The Northwest is an extensive region lying west of the crest of the Sierra Madre Occidental and stretching southward from Sonora state on the U.S. border through Sinaloa and northern Nayarit.
Encyclopedias
Exeter is one of the best examples of the historic English town, which developed from a Roman-British centre to a medieval cathedral city and county town and now is an administrative and service centre for an extensive region.
Encyclopedias
Grazing research requires the scientist to make many assumptions, deal with great variability across a landscape, and carefully plan and manage unknown effects and finally produce a published experiment that has applications across an extensive region.
Human-verified similar examples from authoritative sources
Similar Expressions
26 human-written examples
The Cuddalore Sandstones (Upper Tertiary), comprising sandstones and gravels, occupy an extensive area in the region.
Science
These provinces form the major patient catchment area for the hospital, and it is possible that CA-MRSA is present across a more extensive region of Cambodia.
Science
A more extensive region found to be damaged due to crash of F4 as compared to 707-320.
Also, the UV photons inside the narrow channel are distributed over a more extensive region at higher pressures.
Moreover, a more extensive region at impact location "B" damaged in tension as compared to location "C", please see Figs. 12 and 13.
Expert writing Tips
Best practice
When using "an extensive region", ensure the context clearly defines the boundaries or characteristics that make the region 'extensive'. Providing specific details or examples will enhance clarity and avoid ambiguity.
Common error
Avoid using "an extensive region" without providing adequate context or supporting details. Simply stating that something covers "an extensive region" is less impactful than specifying its actual size, key features, or significance.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an extensive region" functions primarily as a noun phrase, where "extensive" modifies the noun "region." It describes a geographical area, a field of study, or any area that is broad or widespread. Ludwig AI confirms this usage across numerous examples.
Frequent in
Science
50%
Encyclopedias
14%
Academia
11%
Less common in
News & Media
8%
Formal & Business
0%
Wiki
3%
Ludwig's WRAP-UP
The phrase "an extensive region" is a grammatically correct and commonly used expression to describe a large area, both geographically and conceptually. Ludwig AI highlights its prevalence across diverse sources like scientific journals, encyclopedias, and academic papers, suggesting a neutral to formal register. When using the phrase, it's beneficial to provide specific details about the region to enhance clarity. Alternatives such as "a vast expanse" or "a wide area" can be used depending on the specific nuance you wish to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a vast expanse
Emphasizes the openness and breadth of the area.
a wide area
Focuses on the breadth of the region.
a broad area
Similar to "wide area", but may suggest a less defined boundary.
a large territory
Highlights the geographical or political control over the area.
an expansive zone
Highlights the feeling of extension and magnitude.
a significant area
Highlights the importance of the location, area or field of study.
a sizable district
Implies an area that is large relative to other districts.
a considerable space
Focuses on the amount of physical room or capacity.
a substantial sector
Emphasizes the size and importance of a particular portion or division.
a sweeping landscape
Focuses on the visual aspect of a very wide region.
FAQs
How can I use "an extensive region" in a sentence?
Use "an extensive region" to describe a large area with specific characteristics. For example, "The Amazon rainforest covers "an extensive region" known for its biodiversity."
What are some alternatives to "an extensive region"?
Some alternatives include "a vast expanse", "a wide area", or "a large territory". The best choice depends on the specific context.
Is it better to say "extensive region" or "large region"?
"Extensive region" and "large region" are similar, but "extensive region" often implies a continuous area with particular characteristics or features, while "large region" simply denotes size. Choose the phrase that best fits the context.
How does the meaning of "an extensive region" differ from "a limited area"?
"An extensive region" refers to a large or broad area, while "a limited area" indicates a small or restricted space. They are antonyms, representing opposite ends of the size spectrum.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested