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
demand significant exertion
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "demand significant exertion" is correct and usable in written English.
It can be used when describing a task or activity that requires a lot of physical or mental effort. Example: "The marathon training program is designed to demand significant exertion from participants to build their endurance."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
After significant exertions by Cleveland and his allies, the bill passed the House.
Wiki
Trump is demanding significant concessions.
News & Media
His glare alone is enough to demand greater exertion.
News & Media
"Even activities that we still do regularly demand less exertion," Dr. Yancey continued.
News & Media
This change in demand has significant environmental consequences.
News & Media
In-situ bioremediation is a highly complex, non-linear process and the modelling of such a complex system requires significant computational exertion.
Science
For most scleroderma patients, pulmonary function is relatively stable and becomes an issue only during significant physical exertion.
Academia
The combination of insulinogenic diets and psychosocial stress on the one hand, and low energy demand for physical exertion, reproduction and immune function on the other, stimulates chronic lipogenesis but reduces lipolysis.
Moderation, another word for normalcy, demands great exertion and dedication to achieve and maintain.
News & Media
But as the internal rhythms of the body call out for rest, the efficiency of the modern workplace demands continued exertion.
News & Media
The heart becomes thicker-walled from having to pump against the pressure, and less able to respond to the demands of exertion.
News & Media
Expert writing Tips
Best practice
When using "demand significant exertion", ensure the context clearly indicates what is requiring the effort. For instance, specify if it's a task, role, or physical activity.
Common error
Avoid using "demand significant exertion" in overly casual settings. While grammatically correct, it can sound unnecessarily formal or stilted in everyday conversation. Opt for simpler phrasing when appropriate.
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "demand significant exertion" functions as a descriptive phrase, characterizing an activity or task by the level of effort it requires. It implies a high degree of physical or mental effort is necessary.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "demand significant exertion" is a grammatically correct phrase used to describe situations that require substantial effort, whether physical or mental. While it is deemed usable according to Ludwig, it is missing in the examples provided, indicating its relative infrequency, and would best fit in formal or technical contexts. Alternatives such as "require substantial effort" or "necessitate considerable energy" may be more suitable depending on the context. Due to the formal nature of the phrase, avoiding it in informal conversation would be a best practice.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
require substantial effort
Emphasizes the need for a considerable amount of effort, similar to exertion.
necessitate considerable energy
Highlights the energy needed, rather than just effort.
call for substantial labor
Focuses on the physical labor aspect of exertion.
involve considerable strain
Highlights the potential for strain or difficulty.
mandate significant energy expenditure
More formal and scientific, emphasizing energy expenditure.
take great physical toll
Focuses on the impact on the body.
impose heavy physical requirements
Highlights the requirements imposed, specifically physical ones.
expect high levels of activity
More general, referring to high levels of activity.
entail a lot of hard work
A more informal way to describe requiring significant exertion.
require intense application
Focuses on the mental effort and dedication needed.
FAQs
How can I use "demand significant exertion" in a sentence?
You can use "demand significant exertion" to describe tasks or activities that require a lot of physical or mental effort. For example: "The project will "require substantial effort" from the team" or "Marathon running will "take a great physical toll".
What are some alternatives to "demand significant exertion"?
Some alternatives include "require substantial effort", "necessitate considerable energy", or "call for substantial labor", depending on the specific context.
Is it better to say "demand significant exertion" or "require a lot of effort"?
While both are correct, "demand significant exertion" is more formal. "Require a lot of effort" is generally suitable for everyday conversation, whereas "demand significant exertion" might be preferable in formal or technical writing.
In what situations is it appropriate to use the phrase "demand significant exertion"?
The phrase "demand significant exertion" is appropriate in situations where you need to emphasize the high level of effort, energy, or physical strain that a task or activity requires. It's often used in contexts related to work, sports, or challenging projects.
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
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested