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
were defined by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "were defined by" is correct and usable in written English.
It can be used to indicate the characteristics or qualities that characterize a subject or concept, often in a historical or analytical context. Example: "The cultural practices of the region were defined by a rich history of traditions and rituals."
✓ Grammatically correct
Science
News & Media
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
The people, though, were defined by it.
News & Media
And Folau's tries were defined by two people.
News & Media
They were defined by, and proud of, their flagrant weakness".
News & Media
The different weeks of summer were defined by which area of the country came on holiday.
News & Media
For years, colleges and universities in Division II were defined by what they were not.
News & Media
Both were defined by the times; now they define those times for us.
News & Media
Segregationists thought people were defined by race, but didn't sensible people know better?
News & Media
But youth culture was tribal then, and you were defined by your taste and beliefs.
News & Media
That said, there was a reason they were defined by their potency up top.
News & Media
Our childhoods were defined by the cultures of the two decades".
News & Media
They shared something important in common: the female leads were defined by their gender.
News & Media
Expert writing Tips
Best practice
When using "were defined by", ensure you clearly state what factors or characteristics shaped the subject. This provides clarity and strengthens your analysis.
Common error
Avoid using "were defined by" with an unclear subject. Be specific about what is being defined to prevent ambiguity and ensure your writing is precise.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "were defined by" functions as a connector in sentences, establishing a relationship between a subject and the factors that shape or characterize it. Ludwig shows that it's used to specify the conditions or elements that determined the nature or scope of something.
Frequent in
Science
38%
News & Media
41%
Encyclopedias
2%
Less common in
Formal & Business
2%
Huffington Post
9%
Vice
5%
Ludwig's WRAP-UP
In summary, the phrase "were defined by" serves to explain the characteristics, scope, or influencing factors of a subject. As shown by Ludwig, it is grammatically correct and frequently used, appearing commonly in science and news contexts, and is best suited for neutral to formal writing. To ensure clarity, it's important to explicitly state what shapes the subject when using this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
were characterized by
Focuses on the qualities or features that distinguish something, rather than the factors that determine its nature.
were determined by
Emphasizes the factors that caused something to be the way it is, highlighting causality and influence.
were shaped by
Suggests an influence or molding process, where external factors gradually formed the nature of something.
were governed by
Indicates a set of rules, laws or principles that dictated the nature or behavior of something.
were dictated by
Implies a strong, forceful influence that left little room for alternative outcomes.
were influenced by
Highlights the impact or effect of external elements on the development or attributes of something.
were marked by
Focuses on specific features or events that were prominent or noticeable in something.
were established by
Refers to the origins or creation of something, emphasizing the process of setting it up or founding it.
were based on
Indicates the foundation or underlying principles upon which something was built or developed.
were rooted in
Suggests a deep origin or historical connection, emphasizing the long-term foundations of something.
FAQs
How can I use "were defined by" in a sentence?
Use "were defined by" to explain what factors or attributes shaped a particular subject. For instance, "The borders of the country were defined by natural landmarks".
What are some alternatives to "were defined by"?
You can use alternatives like "were characterized by", "were shaped by", or "were determined by depending on the nuance you want to convey.
Is there a difference between "were defined by" and "were determined by"?
"Were defined by" indicates the characteristics or boundaries of something, while "were determined by" suggests that something was caused or influenced by specific factors.
When is it appropriate to use "were defined by" in formal writing?
It is appropriate in formal writing when you need to explain or analyze the factors that shaped or characterized a subject, providing a clear and analytical perspective.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested