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
a vast river
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a vast river" is correct and usable in written English.
It can be used to describe a river that is large in size or volume, often evoking imagery of grandeur or significance. Example: "As we stood on the bank, we marveled at the sight of a vast river flowing majestically through the landscape."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(1)
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
16 human-written examples
The land area of the Netherlands includes a vast river delta formed by the Rhine and two other rivers.
News & Media
Its famous gritstone cap, abrasive icing on a sedimentary layer cake, began as infill of a vast river delta, a Ganges in north Derbyshire.
News & Media
A vast river network that once carried water for hundreds of miles across Western Sahara has been discovered under the parched sands of Mauritania.
News & Media
That would be disastrous for the world's poor, they said, since the foundation is only one stream in a vast river.
News & Media
On Tuesday, they flooded out of town in a vast river of suffering, bedrolls and clothing bundles atop their heads, children toddling at their sides.
News & Media
Suddenly and on impulse, I decided to keep going, driving onward toward Tuba City and then north to Kayenta, through a landscape of what I have since learned was a vast river flood plain in a time before time.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Following its course and that of the Casiquiare, they proved that the Casiquiare River formed a connection between the vast river systems of the Amazon and the Orinoco.
Encyclopedias
'Unleashing onIC' on the global fossil fuel market means throwing a coin in the vast river of financial flows fossil fuels enjoy.
News & Media
Meanwhile the vast river spreads out behind, a view gradually blocked by a second pair of gates.
News & Media
And then, in a battered yellow taxi, it's back across the vast river Niger to the south side of town to a studio kept by a white rasta and reggae producer called Manjul.
News & Media
Mrs. Douglas saw the glades as a vast shallow river, flowing slowly southward.
News & Media
Expert writing Tips
Best practice
Use "a vast river" to evoke a sense of grandeur and scale when describing a river. It's particularly effective in descriptive writing and narratives where the river's size is a significant element of the scene.
Common error
Avoid using "a vast river" in technical or scientific reports where precise measurements are more appropriate. Instead, provide specific data on the river's width, depth, or flow rate.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a vast river" functions as a noun phrase, where "vast" is an adjective modifying the noun "river". As demonstrated by Ludwig, it typically serves to describe a river of considerable size and scale.
Frequent in
News & Media
56%
Encyclopedias
15%
Science
12%
Less common in
Formal & Business
6%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a vast river" is a grammatically sound and commonly used phrase to depict a river of considerable size. Ludwig AI confirms its correctness and frequent usage across various domains, particularly in news media, encyclopedias, and scientific contexts. While interchangeable with similar terms like "a large river" or "an immense river", it's best suited for descriptive purposes, where its evocative power can truly shine. Remember to avoid overuse in situations needing precise measurements, and instead, favor concrete data.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an immense river
Emphasizes the river's exceptional size, focusing on its scale.
an extensive river
Highlights the river's considerable reach and range.
a wide river
Focuses on the breadth of the river's surface.
a large river
A more general term indicating significant size, without specifying dimension.
a mighty river
Adds a sense of power and impressiveness to the description.
a great river
Implies both size and importance.
an expansive river
Highlights the wide-ranging nature and openness of the river.
an enormous river
Similar to "immense", but possibly suggesting greater scale.
a colossal river
Emphasizes the river's extraordinary size and impact.
an immeasurable river
Suggests the river's size is so great it cannot be easily quantified.
FAQs
How can I use "a vast river" in a sentence?
You can use "a vast river" to describe a large and expansive river, such as: "The Amazon is "a vast river" that flows through South America."
What are some alternatives to "a vast river"?
Some alternatives include "an immense river", "a wide river", or "a large river", depending on the specific aspect you want to emphasize.
Is it more appropriate to say "a vast river" or "a large river"?
"A vast river" suggests a more expansive and impressive scale than "a large river". The choice depends on the specific image you want to convey. Both "a vast river" and "a large river" are correct.
Can "a vast river" be used metaphorically?
Yes, "a vast river" can be used metaphorically to describe something expansive and continuous, such as "a vast river of information" flowing through the internet.
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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested