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
substantial assistance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantial assistance" is correct and usable in written English.
It can be used when referring to significant help or support provided to someone or something. Example: "The organization provided substantial assistance to the victims of the disaster, helping them rebuild their lives."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
significant support
considerable help
significant aid
considerable support
major contribution
modest assistance
extensive help
significant contribution
valuable aid
substantial aid
great assistance
considerable assistance
notable assistance
massive assistance
sizable assistance
huge assistance
essential assistance
sizeable assistance
tremendous assistance
serious assistance
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
The United States attorney's office in Sacramento said eBay "provided substantial assistance" in the investigation.
News & Media
Those families, he said, have already received substantial assistance from the airline.
News & Media
However, the Kurdish regional government and the Iraqi government urgently need more substantial assistance.
News & Media
provid[e] substantial assistance to another person" who violates the Rule.
Academia
This quantity can be of substantial assistance to achieve reduction in the modelling of built-up structures.
"Ms Shobukhova approached Wada in May 2014 with a view to providing substantial assistance within the meaning of the code.
News & Media
They credited Donaghy with providing "substantial assistance" and asked that the court "take his cooperation into account".
News & Media
The agreement said prosecutors could recommend a lighter sentence if he gave them "substantial assistance" in prosecuting others.
News & Media
Such statements are provided to those who provide substantial assistance to prosecutors in pursuing criminal cases against other defendants.
News & Media
The letter also mentioned Casso's kindness to the prosecutors: "my three and a half years of phenomenal, substantial assistance".
News & Media
Mueller argued that Flynn should receive no prison time because of his substantial assistance in the investigation.
News & Media
Expert writing Tips
Best practice
When using "substantial assistance", ensure the context clearly indicates who is providing the assistance and who is receiving it for clarity.
Common error
Avoid using "substantial assistance" when the support provided is minimal or inconsequential, as this can mislead the audience and diminish credibility.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantial assistance" functions as a noun phrase, where "substantial" modifies the noun "assistance". According to Ludwig AI, this phrase is grammatically correct and usable in written English, as demonstrated by the examples provided.
Frequent in
News & Media
62%
Academia
19%
Science
19%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "substantial assistance" is a grammatically sound and frequently used phrase to denote significant help or support. As Ludwig AI confirms, its versatility allows it to fit into various contexts, including news, academia, and science. The phrase is best used when the assistance provided is genuinely significant, and awareness of who is providing and receiving aid ensures clarity. For alternative expressions, consider options like "significant aid" or "considerable support" for nuanced communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
significant aid
Replaces "assistance" with "aid" and "substantial" with "significant", implying a notable level of support.
considerable support
Substitutes "assistance" with "support" and "substantial" with "considerable", suggesting a large amount of help.
extensive help
Uses "extensive" instead of "substantial" to emphasize the breadth and reach of the help provided.
meaningful help
Stresses the positive impact and importance of the help.
significant contribution
Replaces "assistance" with "contribution", highlighting the important role that someone or something had.
valuable aid
Highlights the importance and utility of the help provided.
major contribution
Replaces the whole phrase with a focus on the impact rather than the act of helping, indicating a significant positive impact.
notable support
Highlights the degree of remarkableness of support.
material support
Emphasizes the tangible and practical nature of the assistance given.
marked assistance
Highlights that the help is easily noticed or prominent.
FAQs
How to use "substantial assistance" in a sentence?
You can use "substantial assistance" to describe significant help provided, for example: "The United States attorney's office said eBay "provided "substantial assistance"" in the investigation."
What can I say instead of "substantial assistance"?
You can use alternatives like "significant aid", "considerable support", or "major contribution" depending on the context.
Is "substantial assistance" formal or informal?
"Substantial assistance" is generally considered neutral to formal and can be used in professional, academic, or news contexts.
What's the difference between "substantial assistance" and "modest assistance"?
"Substantial assistance" implies a significant level of help, while "modest assistance" indicates a smaller, less impactful level of support.
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