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 affects
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantially affects" is correct and usable in written English.
It can be used when discussing the significant impact or influence of one thing on another. Example: "The new policy substantially affects the way we conduct our business operations."
✓ Grammatically correct
Science
News & Media
Alternative expressions(18)
significantly impacts
greatly influences
markedly alters
significantly affects
seriously influences
profoundly impacts
heavily affects
significantly influences
drastically affects
noticeably affects
vastly affects
primarily affects
appreciably affects
greatly affects
dramatically affects
considerably affects
markedly affects
predominately affects
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
Hundreds of experiments are lost, affecting research groups in many universities … This substantially affects the international competitiveness of UK research.
News & Media
Even Rehnquist had acknowledged the long line of cases that said the Commerce Clause was satisfied if the activity in question "substantially affects" interstate commerce.
News & Media
Lawmakers, anticipating the challenge, explicitly inserted a line in the law that the insurance mandate "substantially affects interstate commerce".
News & Media
They asserted in the text that the insurance mandate "substantially affects interstate commerce," the Supreme Court's standard for regulation under the Commerce Clause.
News & Media
The individual mandate, he went on, "like the act as a whole, thus regulates economic conduct that substantially affects interstate commerce".
News & Media
FOV substantially affects spatial resolution, and it is likely that detector B has the smaller FOV.
Science
Indeed, how to make each user access the appropriate network substantially affects the network performance [5].
Light substantially affects the growth, reproduction, cell morphology and metabolism of microalgae.
Rail travel delay substantially affects the per passenger-kilometer emission factors for the locomotives.
Science
This random hysteresis substantially affects the stability analysis of floating spheres.
It was found that placement of an objective in the vessel substantially affects decontamination efficiency.
Expert writing Tips
Best practice
When using "substantially affects", ensure that the impact you're describing is significant and measurable. Avoid using it for minor or negligible effects to maintain credibility and precision.
Common error
Avoid using "substantially affects" when the effect is minimal or uncertain. Overusing this phrase can weaken your writing and make your claims seem exaggerated.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantially affects" functions as a verb phrase used to indicate that one thing has a considerable impact on another. As evidenced by Ludwig, it clearly highlights the degree to which something is influenced or altered.
Frequent in
Science
56%
News & Media
39%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "substantially affects" is a grammatically sound and frequently used expression to convey a significant impact or influence. Ludwig AI confirms its correctness and suitability across various contexts. Predominantly found in scientific and news media sources, it effectively communicates the importance of the relationship between two elements. Alternatives such as "significantly impacts" or "greatly influences" offer similar meanings, providing flexibility in writing. When using "substantially affects", ensure the effect you're describing is indeed considerable to maintain clarity and credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
significantly impacts
Changes the verb while maintaining a similar level of impact. It's a direct synonym.
greatly influences
Replaces "affects" with "influences", suggesting a less direct but still significant effect.
markedly alters
Uses "alters" to emphasize a change, implying a noticeable difference as a result.
considerably impacts
Replaces "substantially" with "considerably", maintaining the sense of a notable effect.
noticeably changes
Focuses on the change being easily observable, adding a layer of perception.
seriously influences
Emphasizes the weight or importance of the influence.
profoundly impacts
Highlights the depth and extent of the effect, suggesting a fundamental change.
heavily affects
Uses "heavily" to convey a strong degree of impact.
significantly influences
Combines "significantly" and "influences" for a slightly more formal tone.
largely determines
Shifts the focus to the aspect of determining an outcome, suggesting a causal relationship.
FAQs
How can I use "substantially affects" in a sentence?
Use "substantially affects" to describe something that has a considerable impact on something else. For example, "The new policy "substantially affects" our business operations" or "Climate change "substantially affects" agricultural yields."
What are some alternatives to "substantially affects"?
Alternatives include "significantly impacts", "greatly influences", or "markedly alters". The best choice depends on the specific nuance you want to convey.
Is it better to say "substantially affects" or "significantly affects"?
Both "substantially affects" and "significantly affects" are correct and have similar meanings. "Substantially" might imply a slightly larger or more concrete impact, but they are largely interchangeable.
Can "substantially affects" be used in formal writing?
Yes, "substantially affects" is suitable for formal writing, especially in scientific, academic, or business contexts where precise language is important. It clearly conveys the idea of a significant impact.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested