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 defining factor for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a defining factor for" is correct and usable in written English.
It can be used to indicate an important element that significantly influences or determines a particular outcome or situation. Example: "The availability of resources is a defining factor for the success of any project."
✓ Grammatically correct
News & Media
Science
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
8 human-written examples
"The conflict in Ukraine is a defining factor for the future of European security," the report said.
News & Media
More than anything else, intelligent automation will be a defining factor for the future workforce.
News & Media
"Data and software delivery is a defining factor for future success within the automotive industry as vehicles are becoming more connected and autonomous," said Ralf Herrtwich, SVP Automotive of HERE, in a statement.
News & Media
Being treated as an outsider, despite coming from the same country might be a defining factor for a lot of young Muslims.
News & Media
18. Defining and shaping a more customer-centric approach and experimenting with new approaches to developing a customer base will be a defining factor for competing utilities.
News & Media
Therefore control of SIRT1 activity may be a defining factor for the initiation of a Foxp3-dependent transcriptional program and the development of Treg.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
That last bit – loneliness – was such a defining factor of domestic life for my mother and women of her generation who, unlike me, too often had no genuine intellectual or professional occupation to escape into.
News & Media
Time management emerged as an important defining factor for participants' quality of life.
Science
He also cited the film's Oscars success – it took four Academy Awards last month – as a defining factor in the drama's lure for cinemagoers.
News & Media
The gross chemical composition of food can be a defining factor when choosing diets as substitutes for microalgae in the nursery culture of bivalves in hatcheries.
While a web page certainly won't be the defining factor for a talented designer or engineer during a job search, companies take recruiting very seriously.
News & Media
Expert writing Tips
Best practice
When using the phrase "a defining factor for", ensure it clearly identifies the element that most significantly shapes or determines the outcome you are discussing.
Common error
Avoid using "a defining factor for" when describing elements that have only a minor influence. Reserve this phrase for factors that are genuinely pivotal.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a defining factor for" functions as a noun phrase that identifies a crucial element or influence determining a specific outcome or characteristic. As Ludwig AI confirms, the phrase is grammatically correct and usable in English.
Frequent in
News & Media
60%
Science
40%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "a defining factor for" is a grammatically correct and usable English phrase, as validated by Ludwig AI. It serves to emphasize a crucial element that significantly shapes or determines an outcome. While the phrase is relatively rare, appearing mostly in News & Media and Science contexts, its meaning is straightforward and can be used in various settings. When using this phrase, ensure that it accurately reflects the pivotal nature of the factor being described. Consider alternatives like "key determining factor" or "crucial determinant" to vary your phrasing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
key determining factor
Replaces "defining" with "determining", emphasizing the act of deciding or establishing.
crucial determinant
Substitutes "defining factor" with "crucial determinant", highlighting the decisive nature.
essential element
Replaces the entire phrase with a simpler expression indicating necessity.
significant influence
Shifts from a factor to a more general influence, broadening the scope.
major consideration
Focuses on the importance of something being taken into account.
primary driver
Implies that something is the main force behind an outcome.
cornerstone of
Uses a metaphor to suggest that something is a fundamental basis.
critical aspect
Highlights the importance of a particular feature or element.
central component
Emphasizes that something is an integral part of a larger whole.
decisive aspect
Focuses on the element that will determine the outcome.
FAQs
How can I use "a defining factor for" in a sentence?
Use "a defining factor for" to emphasize a key element that significantly influences an outcome, such as: "Technological innovation is "a defining factor for" economic growth."
What are some alternatives to "a defining factor for"?
Consider using alternatives like "key determining factor", "crucial determinant", or "essential element" depending on the specific context.
Is it correct to say "the defining factor is"?
Yes, "the defining factor is" is grammatically correct. For instance, "The defining factor is the availability of resources."
What's the difference between "a defining factor for" and "a key factor in"?
"A defining factor for" suggests a more decisive influence than "a key factor in". While both indicate importance, "a defining factor for" implies that element is crucial, where "a key factor in" only suggests importance in a bigger process.
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
4.1/5
Expert rating
Real-world application tested