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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
so vast
Grammar usage guide and real-world examplesUSAGE SUMMARY
"so vast" is correct and usable in written English.
You can use it when you want to emphasize the vastness of something. For example: "The desert was so vast that it seemed to stretch on forever."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(3)
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
It's so tiny and so vast.
News & Media
"It's so vast," he said.
News & Media
Can his incomprehension be so vast?
News & Media
So vast an authority had Pericles obtained among the people.
Why is the place both so vast and so empty?
News & Media
So, vast amounts of material can be declared secret.
News & Media
That's why the potential damages against Merck are so vast.
News & Media
Why is the gap between rich and poor so vast?
News & Media
"Pompeii is so vast that it requires enormous efforts".
News & Media
"The permutations on the theme are so vast".
News & Media
So vast as to be unknowable, beyond comprehension.
News & Media
Expert writing Tips
Best practice
Use "so vast" to effectively convey the sheer scale or magnitude of a subject, whether it's physical space, a complex topic, or a large quantity. This phrase adds emphasis and can enhance the reader's understanding of the subject's immensity.
Common error
Avoid using "so vast" when describing something that is only moderately large or complex. The phrase is most impactful when reserved for truly significant scales. If you use it to describe everyday smaller stuff, it could lose its impact.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "so vast" functions primarily as an intensifier modifying an adjective. It emphasizes the degree or extent of the adjective, highlighting the significant scale or magnitude of whatever is being described. Ludwig confirms this is usable in written English.
Frequent in
News & Media
45%
Academia
25%
Science
10%
Less common in
Encyclopedias
5%
Wiki
5%
Formal & Business
5%
Ludwig's WRAP-UP
The phrase "so vast" is a powerful tool for emphasizing the immense scale or magnitude of something, suitable for use across various contexts from news and media to academic writing. As Ludwig AI confirms, it is grammatically correct and commonly used. When using "so vast", ensure that the described subject truly warrants such emphasis to avoid overstatement. Alternatives such as "extremely large" or "unfathomably immense" can provide similar emphasis. With 79 real-world examples, "so vast" proves its versatility in conveying significant scale and scope.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Unbelievably vast
Similar in structure, but emphasizes incredulity at the scale.
Unfathomably immense
Highlights the incomprehensible size and scope.
Immensely huge
Emphasizes the magnitude and enormousness of something.
Extremely large
Focuses on the physical size aspect of vastness.
Remarkably boundless
Conveys the limitlessness and unbounded nature of something.
Enormously extensive
Highlights the wide scope and reach of something.
Exceptionally expansive
Focuses on the broad and open nature of something.
Incredibly wide
Stresses the breadth or span of something.
Truly gigantic
Draws attention to the monumental size.
Astoundingly great
Emphasizes the impressive scale or degree.
FAQs
How can I use "so vast" in a sentence?
You can use "so vast" to emphasize the scale or magnitude of something. For example, "The universe is "so vast" that we can only observe a small portion of it".
What are some alternatives to using "so vast"?
Depending on the context, you can use alternatives like "extremely large", "incredibly wide", or "unfathomably immense" to convey a similar meaning.
Is it ever incorrect to use the phrase "so vast"?
While grammatically correct, using "so vast" might be an overstatement if the subject is not truly immense or extensive. Choose vocabulary that accurately reflects the scale you're describing.
What's the difference between "so vast" and "very large"?
"So vast" implies a greater degree of immensity and often carries a sense of being beyond comprehension. "Very large" is a more general descriptor of size, while "so vast" emphasizes the overwhelming nature of the scale.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested