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
notably arduous
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "notably arduous" is correct and usable in written English.
It can be used to describe a task or situation that is particularly difficult or challenging. Example: "The project was notably arduous, requiring countless hours of research and collaboration."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
extraordinarily challenging
singularly problematic
particularly challenging
extremely challenging
especially engaging
highly challenging
especially challenging
distinctly complex
uniquely demanding
highly taxing
particularly difficult
mainly challenging
partly challenging
exceptionally challenging
notably challenging
exceptionally tough
very challenging
specifically challenging
certainly challenging
essentially challenging
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
A few billionaires, notably Bill Gates, have begun the arduous process of giving away their loot.
News & Media
Shortcutting any of these steps often resulted in an unsuitably high number of religated recipient vectors that made screening arduous, inefficient and notably increased the total construction time.
Science
One of those factors has been injuries, notably to the man with the arduous task of taking the armband from Sinfield.
News & Media
Today Lvov has become Lviv, while its representation of what it means to be Ukrainian is contested by other regions and communities, notably the Blues, each of which has endured an equally arduous path to become part of the modern Ukrainian state.
News & Media
He meanwhile undertook an arduous course of self-instruction through the study of musical works—notably those of Carl Philipp Emanuel Bach and of leading manuals of musical theory.
Encyclopedias
Notably, resulting enzymatically oxidized oligosaccharides could be used as carbohydrate standards that replaces the comparatively arduous chemical synthesis approach [ 16], facilitating the characterization of carbohydrate-oxidizing enzymes whose activity can not be easily measured by colorimetric assays.
Science
— far more arduous.
News & Media
The conditions were arduous.
News & Media
The work is arduous.
News & Media
Pancakes, notably.
News & Media
Not notably.
News & Media
Expert writing Tips
Best practice
When using "notably arduous", ensure that the context clearly establishes what makes the task or situation particularly difficult. Provide specific details to support the assertion.
Common error
Avoid using "notably arduous" in casual conversation or informal writing. The phrase is relatively formal and can sound stilted if used inappropriately. Opt for simpler alternatives like "very difficult" or "really challenging" in less formal settings.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "notably arduous" functions as an intensifier + adjective. "Notably" modifies and intensifies the adjective "arduous", indicating a significant degree of difficulty. Ludwig AI confirms the grammatical correctness of this construction.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
33%
Less common in
Academia
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "notably arduous" is a grammatically correct and relatively formal expression used to describe tasks or situations that are particularly difficult or demanding. According to Ludwig, it intensifies the adjective "arduous", emphasizing the significant level of challenge involved. While appropriate for academic, scientific, and professional writing, it should be used sparingly in informal contexts. Consider alternatives like "particularly difficult" or "especially challenging" for broader applicability. Keep in mind that its formal tone aligns better with academic or scientific settings rather than informal conversations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
particularly difficult
Replaces "notably" with "particularly", which is a more common and slightly less formal adverb.
especially challenging
Substitutes both words with synonyms that highlight the demanding nature of the subject.
remarkably strenuous
Uses "remarkably" instead of "notably" and "strenuous" as a synonym for "arduous", adding emphasis on physical effort.
significantly taxing
Emphasizes the draining or burdensome aspect of the situation, focusing on its impact.
noticeably laborious
Replaces "arduous" with "laborious", highlighting the effort and time required.
distinctly demanding
Uses "distinctly" for emphasis and "demanding" as a broader term for requiring significant effort or skill.
appreciably burdensome
Focuses on the heavy or oppressive nature of the task, suggesting it's causing worry or difficulty.
patently grueling
Emphasizes the exhausting and relentlessly difficult nature of the task.
strikingly tough
Employs more informal language while still conveying the high level of difficulty.
markedly toilsome
Replaces "arduous" with "toilsome", accentuating the long and tiring effort involved.
FAQs
How can I use "notably arduous" in a sentence?
Use "notably arduous" to describe tasks or situations that are particularly difficult or demanding. For example, "The research process was "notably arduous", requiring extensive data collection and analysis."
What are some alternatives to "notably arduous"?
Alternatives include "particularly difficult", "especially challenging", or "remarkably strenuous". The best choice depends on the specific context and the nuance you want to convey.
Is "notably arduous" a formal phrase?
Yes, "notably arduous" is considered a formal phrase. It's best suited for academic, professional, or journalistic writing where a higher level of formality is appropriate. In informal settings, simpler alternatives are generally preferred.
What makes "notably arduous" different from "difficult"?
"Notably arduous" implies a higher degree of difficulty and effort than simply "difficult". It suggests that the task is not only challenging but also requires significant perseverance and resilience. It's used when the difficulty is particularly noteworthy.
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested