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
that is substantial
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is substantial" is correct and usable in written English.
It can be used to indicate that something is significant, considerable, or important in size, amount, or degree. Example: "The evidence presented in the report is compelling, and that is substantial enough to warrant further investigation."
✓ Grammatically correct
News & Media
Science
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
27 human-written examples
But the overhang there is an overhang of personal debt on working people that is substantial.
News & Media
Greek Chicken and Tomato Salad: A tomato-centric Greek salad that is substantial enough for lunch or a light supper.
News & Media
I am happy enough to offer only one accompaniment here, a red salad that is substantial enough for even heavy eaters.
News & Media
A supremely tasty soup that is substantial enough to make a meal in its own right with the easy addition of a loaf of great bread.
News & Media
58-60 9th Avenue, +1 212 414 8686, popburger.com Five Napkin Burger betrays the owners' penchant for a particular type of burger, one that is substantial, juicy and very deliberately messy, so much so that it will require a lot of cleaning up afterwards.
News & Media
She wants to "raise the bar in a way that is substantial and real, not undercooked and token" and speaks of "professionalising the duty of care" to include housing and transport, sound medical and coaching facilities and decent equipment, all underpinned by robust contracts.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
"Asian actors tend not to be sent Hollywood scripts that are substantial or challenging.
News & Media
However, this opportunity presents challenges that are substantial and complex.
Science
The goal is to get users to post comments that are substantial without being mean-spirited.
News & Media
Despite a bonus that was substantial by most standards, she was living a lie.
News & Media
I wanted to make something that was substantial but somehow fragile at the same time".
News & Media
Expert writing Tips
Best practice
Use "that is substantial" to emphasize the significance or impact of a particular element, ensuring it adds weight to your argument or description. For instance, "The impact of the new policy is substantial, leading to significant improvements in efficiency."
Common error
Avoid using "that is substantial" in casual conversations or informal writing where simpler alternatives like "that's big" or "that's significant" might be more appropriate. Overusing formal phrasing can make your writing sound unnatural or pretentious.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is substantial" functions as a predicate adjective, describing a noun's attribute of being significant in size, amount, or importance. As Ludwig AI reports, this phrase accurately conveys significance. It's used to add emphasis and weight to a statement, highlighting the importance of something.
Frequent in
News & Media
38%
Science
35%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that is substantial" is a versatile expression used to denote something significant in size, amount, or degree. Ludwig AI confirms its proper and frequent usage across varied contexts, particularly in news, scientific, and formal business domains. While grammatically correct, avoid overuse in informal settings, opting for simpler alternatives if more appropriate. Related phrases such as "that is significant" or "that is considerable" offer similar meanings with slightly different nuances. When writing, use this phrase to add emphasis, but remain mindful of the overall tone to avoid sounding overly formal.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that is significant
Replaces "substantial" with "significant", emphasizing the importance or consequence of something.
that is considerable
Substitutes "substantial" with "considerable", highlighting the noteworthy size or amount.
that is significant in size
Adds "in size" to further specify that the substantial quality is related to the physical dimensions of something.
that is of consequence
Uses "of consequence" instead of "substantial", focusing on the importance or relevance.
that is truly important
Emphasizes the genuine importance of the subject, replacing "substantial" with a direct affirmation of value.
that is fairly large
Focuses on the size aspect of "substantial", replacing it with "fairly large".
that is quite meaningful
Replaces "substantial" with "quite meaningful", highlighting the depth and value of the matter.
that is remarkably large
Adds emphasis with "remarkably" to describe how something compares to being substantially sized.
that is notably serious
Indicates that something is considerably impactful or consequential, replacing "substantial" with "notably serious".
that is impressively large
Substitutes "substantial" with "impressively large" adding an element of admiration.
FAQs
How can I use "that is substantial" in a sentence?
Use "that is substantial" to emphasize the significance or amount of something. For example, "The evidence presented "that is substantial" enough to warrant further investigation."
What phrases can I use instead of "that is substantial"?
You can use alternatives like "that is considerable", "that is significant", or "that is noteworthy" depending on the context.
Is it better to use "that is significant" or "that is substantial"?
Both phrases are correct, but "that is substantial" often implies a greater magnitude or impact, while "that is significant" emphasizes importance or consequence. Choose the phrase that best fits the specific meaning you want to convey.
What is the difference between "that is substantial" and "that is meaningful"?
"That is substantial" usually refers to quantity, size, or degree, while "that is meaningful" suggests importance or value. Use "that is substantial" when describing something large or significant in amount, and "that is meaningful" when highlighting significance or purpose.
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested