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
a key impact
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key impact" is correct and usable in written English.
It can be used when discussing an important or significant effect or influence that something has on a situation or outcome. Example: "The new policy had a key impact on employee productivity, leading to improved performance across the board."
✓ 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 examples from authoritative sources
Exact Expressions
37 human-written examples
These changes in trends have had a key impact on manufacturing.
News & Media
As it turned out, it was an Arsenal substitute who made a key impact.
News & Media
A key impact of Re B-S is that family and friends carers are no longer dismissed after a flawed viability assessment by the local authority.
News & Media
The control of the oxygen coverage at the catalyst surface (metal oxygen bond energy) was evidenced to have a key impact on both the activity and the selectivity.
Science
Wettability has a key impact on the performance of LiBr-H2O horizontal-tube falling film absorbers working under typical operating conditions.
Bill Bartlett, McCain Foods' corporate affairs director, says: "Temperature has a key impact on frozen chip consumption, as consumers are less likely to use their ovens when the weather is hot.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
23 human-written examples
The benefit of getting a few key impact messages in front of them, therefore, could be huge.
News & Media
"We're delighted to have retained a number of key impact players who are committed for the forthcoming seasons to the Scarlets, our style of rugby and our identity and culture.
News & Media
Consider all key impacts.
A key overall impact of IT in all decades has been a dramatic decrease in transaction costs making it increasingly easier for organizations to source from external providers.
Science
Therefore, MET has a key clinical impact for future therapeutic strategies against metastasis.
Science
Expert writing Tips
Best practice
When using "a key impact", ensure that you clearly identify what is being impacted and the nature of the impact to provide context and clarity for your reader.
Common error
Avoid exaggerating the significance of "a key impact". Be sure the effect is genuinely important, and avoid using the phrase for minor or trivial consequences.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key impact" functions as a noun phrase that describes a significant effect or influence. It typically appears as part of a larger sentence, highlighting something's importance in relation to an outcome.
Frequent in
Science
33%
News & Media
31%
Formal & Business
9%
Less common in
Academia
6%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a key impact" is a versatile phrase that effectively conveys the significance of an effect or influence. Ludwig AI confirms it's correct and suitable for various contexts. The phrase sees frequent use in science and news media. When writing with this phrase, ensure you clearly identify the subject being impacted. Consider alternatives like "a significant effect" or "a major influence" to add nuance to your writing. Avoiding overstatement will also enhance the credibility of your message.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a significant effect
Replaces 'key' with 'significant', emphasizing the importance of the impact.
a major influence
Substitutes 'impact' with 'influence', highlighting the power to affect something.
a crucial role
Shifts the focus to the importance of a part played in a process or outcome.
a pivotal factor
Emphasizes that the impact is central and decisive.
a primary effect
Focuses on the impact being first in order or importance.
a notable consequence
Highlights the result or outcome of something being significant.
an important contribution
Emphasizes the role of contributing significantly.
a substantial change
Focuses on the degree to which something has been altered or transformed.
a central force
Highlights something as the predominant influence or power.
a critical aspect
Emphasizes the essential nature of something.
FAQs
How can I use "a key impact" in a sentence?
Use "a key impact" to describe something that has a significant effect. For example, "The new regulations had "a key impact" on the company's profits".
What are some alternatives to "a key impact"?
You can use alternatives like "a significant effect", "a major influence", or "a crucial role" depending on the context.
Is it better to say "a key impact" or "the key impact"?
Both phrases are grammatically correct, but "a key impact" is used when referring to one of several important impacts. "The key impact" implies that it's the most important or primary impact.
What's the difference between "a key impact" and "a key factor"?
"A key impact" refers to the result or effect of something, while "a key factor" refers to something that contributes to a particular outcome. For example: "The new policy had "a key impact" on morale" versus "Communication is "a key factor" in success".
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested