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 substantial flow
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a substantial flow" is correct and usable in written English.
It can be used to describe a significant or considerable movement of something, such as water, information, or resources. Example: "The river experienced a substantial flow after the heavy rainfall, leading to concerns about flooding."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
8 human-written examples
The entry of hundreds of thousands of farm workers provided camouflage for a substantial flow of undocumented labour.Nonetheless, the logic of temporary migration appears irresistible.
News & Media
Intermittently, at least since about 1830 and rather steadily from 1850, there has been a substantial flow of immigrant population into France.
Encyclopedias
All of this should guarantee a substantial flow of tourists, but Yemen remains a troubled place, enough so that the number of foreign visitors plunged after the Cole bombing and the simultaneous renewal of violence between Israel and the Palestinians.
News & Media
In the Atlantis's 2000 mission, according to the NASA in-flight anomaly report, the much smaller gap caused a "substantial flow path" of plasma past the protective leading edge panels.
News & Media
If California does commit to tropical forest protection, advocates of REDD hope other states and countries, and perhaps large companies that buy food commodities, will follow suit, creating a substantial flow of funds.
News & Media
Finally, the state's economic recovery generated a substantial flow of private investments into the real estate market.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
This Df suggests operation of a reaction-limited cluster cluster aggregation (RCLA) in the suspensions or the possibility that the aggregate underwent a substantial flow-induced rearrangement upon shearing.
Science
By contrast, Europe's richer nations, led by Germany, resist institutionalizing any substantial flow of money toward Greece apart from a modest amount of development aid long made available to Europe's poorer regions for specific projects.
News & Media
However, there is no empirical evidence of any substantial flows of medicine from LMI countries to high-income countries [ 12].
Science
"There has been a substantial anecdotal flow over the last six to eight weeks of things that felt a little bit better".
News & Media
From chemical shift measurements it is inferred that the adsorbed Bi remains in its zero-valent state over the entire potential range under study, despite a substantial charge flow during cycling.
Science
Expert writing Tips
Best practice
When using "a substantial flow", ensure the context clearly indicates what is flowing (e.g., "a substantial flow of data", "a substantial flow of investment").
Common error
Avoid using "a substantial flow" when describing static quantities or conditions. This phrase is best suited for describing movement, transfer, or continuous supply.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a substantial flow" functions as a noun phrase, often serving as the subject or object of a sentence. It describes a significant movement or transfer of something, whether tangible or intangible, as supported by Ludwig's examples.
Frequent in
Science
40%
News & Media
40%
Formal & Business
20%
Less common in
Encyclopedias
10%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a substantial flow" is a noun phrase used to describe a significant movement or transfer of something. While grammatically correct and widely understood, its usage is more common in formal contexts such as news, science, and business, as confirmed by Ludwig. Alternatives like "a significant current" or "a considerable influx" can be used depending on the desired nuance. Remember to specify what is flowing when using this phrase for clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a significant current
Replaces "flow" with "current" and "substantial" with "significant", emphasizing the continuous movement.
a considerable influx
Substitutes "flow" with "influx," highlighting a large arrival or entry.
a large stream
Replaces "flow" with "stream" and "substantial" with "large", focusing on the continuous movement like a river.
a massive surge
Emphasizes a sudden and powerful increase in movement using "surge".
a heavy outpouring
Focuses on the abundant and uncontrolled release of something.
a plentiful supply
Shifts the focus to the availability and abundance of something.
an abundant stream
Replaces "flow" with "stream" and "substantial" with "abundant" to emphasize the quantity and continuous movement.
a generous supply
Highlights the ample quantity and beneficial nature of the supply.
a considerable movement
Uses "movement" instead of "flow", broadening the context to include non-liquid entities.
a significant transfer
Focuses on the act of moving something from one place to another.
FAQs
How can I use "a substantial flow" in a sentence?
You can use "a substantial flow" to describe a significant movement or transfer of something. For example, "The project requires a substantial flow of resources" or "There was a substantial flow of traffic after the concert".
What's a good substitute for "a substantial flow"?
Depending on the context, you could use phrases like "a significant current", "a considerable influx", or "a large stream".
Is it better to say "a substantial flow" or "a significant flow"?
Both "a substantial flow" and "a significant flow" are grammatically correct and have similar meanings. The choice depends on the specific nuance you wish to convey. "Substantial" emphasizes the size or amount, while "significant" emphasizes the importance or impact.
Can "a substantial flow" be used for abstract concepts?
Yes, "a substantial flow" can be used for abstract concepts such as information, data, or funds. For instance, "There was a substantial flow of information between the departments".
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested