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
substantially more arduous
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantially more arduous" is correct and usable in written English.
It can be used to describe a task or situation that is significantly more difficult or demanding than another. Example: "The new project is substantially more arduous than the previous one, requiring more resources and time to complete."
✓ Grammatically correct
Unclear. Please check source to determine
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
His start Saturday was considerably more arduous.
News & Media
But his night Wednesday was considerably more arduous.
News & Media
In the other cases, the identification of the causative mutation may be considerably more arduous.
Science
— far more arduous.
News & Media
"We deserve substantially more.
News & Media
Outside the mill, it is more arduous.
News & Media
A novel is much more arduous.
News & Media
"There has rarely been a more arduous attempt at decanonization.
News & Media
But the European process is even more arduous.
News & Media
Nadal's path will grow more arduous quickly.
News & Media
Many will receive substantially more money.
News & Media
Expert writing Tips
Best practice
When using "substantially more arduous", ensure the context clearly establishes a baseline for comparison. The reader should understand what the task is more arduous than.
Common error
Avoid using "substantially more arduous" when a simpler phrase like "more difficult" suffices. Overuse can diminish the impact and appear hyperbolic.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantially more arduous" functions as an intensifier modifying an adjective. "Substantially" acts as an adverb to emphasize the degree to which something is "more arduous." Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
0%
Science
0%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "substantially more arduous" is a grammatically correct way to express a significant increase in difficulty. As Ludwig AI confirms, the phrase is valid in written English. While not extremely common, the phrase is most likely to be found in formal or professional contexts. When using it, ensure a clear comparison point is established. Alternatives include "significantly more challenging" and "considerably more demanding", depending on the precise nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Significantly more challenging
Replaces "arduous" with "challenging" and "substantially" with "significantly", focusing on the difficulty aspect.
Considerably more demanding
Substitutes "arduous" with "demanding", highlighting the effort required.
Much more difficult
A simpler alternative, replacing "substantially more arduous" with a more direct expression of increased difficulty.
Far more taxing
Replaces "arduous" with "taxing", emphasizing the burden or strain involved.
Substantially more trying
Substitutes "arduous" with "trying", highlighting the frustrating nature of the task.
Noticeably more strenuous
Replaces "arduous" with "strenuous", emphasizing the physical or mental effort required and replacing "substantially" with "noticeably".
Appreciably more laborious
Substitutes "arduous" with "laborious", focusing on the effort and time required.
Remarkably more complicated
Replaces "arduous" with "complicated", shifting the focus to the complexity involved.
A great deal more troublesome
Uses a more descriptive phrase to replace "substantially more arduous", emphasizing the problems and difficulties encountered.
Substantially more inconvenient
Shifts the focus to the inconvenience caused by the increased difficulty.
FAQs
How can I use "substantially more arduous" in a sentence?
You might say, "The second stage of the project proved "substantially more arduous" than initially anticipated, requiring additional resources and time."
What are some alternatives to saying "substantially more arduous"?
Consider using alternatives like "significantly more challenging", "considerably more demanding", or "much more difficult" depending on the specific nuance you want to convey.
Is it grammatically correct to say "substantially more arduous"?
Yes, the phrase "substantially more arduous" is grammatically correct and follows standard English grammar rules.
When is it appropriate to use "substantially more arduous" versus a simpler phrase like "more difficult"?
Use "substantially more arduous" when you want to emphasize that the increase in difficulty is significant or considerable, rather than a minor difference. If the difference is minor, then consider alternatives to "more difficult".
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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested