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
key influence
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key influence" is correct and usable in written English.
It can be used to describe a significant factor or element that affects a situation, decision, or outcome. Example: "The key influence in her decision to move was the job offer she received."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
major impact
significant effect
primary factor
principal influence
vital factor
major determinant
critical determinant
major factor
significant impact
key importance
fundamental influence
key strength
substantial influence
primary influence
substantial inspiration
significant inspiration
powerful driving force
driver
operator
controller
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
His faith was a key influence.
News & Media
Mao Zedong was another key influence.
News & Media
I think Broadcast News is a key influence.
News & Media
Another key influence has been the experience of KIPP Schools.
News & Media
Neal Abberley has been the key influence on my career.
News & Media
But he was also another key influence on the Impressionists.
News & Media
Lars von Trier declared that it was a key influence on his latest movie, Dogville.
News & Media
That course was the key influence in Michael becoming a laboratory scientist.
News & Media
Track record of key influence on regulation and public service issues for more than a decade.
News & Media
He cites Tran Anh Hung's 1995 film Cyclo as a key influence.
News & Media
It was certainly a key influence on my work with Duran Duran".
News & Media
Expert writing Tips
Best practice
When using "key influence", ensure that you clearly articulate what is being influenced. For example, instead of just stating "Technology was a key influence", specify "Technology was a key influence on the company's marketing strategy."
Common error
Avoid using "key influence" when the factor is only minor or secondary. Reserve it for truly significant and impactful elements to maintain credibility and accuracy.
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key influence" functions as a noun phrase, often acting as a subject complement or object of a preposition. It identifies something of major importance that has an effect on someone or something else. As Ludwig AI indicates, this phrase is acceptable and commonly used.
Frequent in
News & Media
52%
Science
22%
Wiki
9%
Less common in
Formal & Business
7%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "key influence" is a grammatically sound and commonly used expression to denote a significant factor affecting an outcome, decision, or characteristic. Ludwig AI confirms its correctness and widespread use. It is most frequently found in News & Media and Science, indicating its suitability for both journalistic and academic contexts. When employing this phrase, ensure clarity by specifying what is being influenced and avoid overstating the significance of the factor. Alternatives like ""major impact"" or ""significant effect"" can be used for variety, though "key influence" itself remains a reliable and effective choice.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
principal influence
Similar to "key influence", but emphasizes the hierarchical importance.
major impact
Focuses on the effect or result of something being a primary factor.
vital factor
Highlights the essential and necessary nature of something.
significant effect
Highlights the notable consequence or outcome resulting from a particular cause.
major determinant
Focuses on the aspect that predominantly defines the outcome.
primary factor
Emphasizes the role of something as being the most important element contributing to a situation.
leading contributor
Points out something that actively adds or plays a significant part in an outcome.
central force
Indicates the core element driving or shaping something.
dominant driver
Highlights the prevailing or controlling factor that propels something forward.
critical determinant
Emphasizes something that decisively affects or determines an outcome.
FAQs
How can I use "key influence" in a sentence?
Use "key influence" to point out a primary or significant factor that affects something. For example: "His upbringing was a key influence on his career choices."
What are some alternatives to "key influence"?
You can use alternatives like "major impact", "significant effect", or "primary factor" depending on the context.
Is it better to use "key influence" or "significant influence"?
Both "key influence" and "significant influence" are correct. "Key influence" emphasizes the crucial or central nature of the influence, while "significant influence" emphasizes the notable or substantial impact. The choice depends on the specific nuance you want to convey.
Can "key influence" be used in formal writing?
Yes, "key influence" is appropriate for formal writing, including academic papers, business reports, and news articles. It's a clear and professional way to indicate a major factor.
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
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested