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
refined by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "refined by" is correct and usable in written English.
It can be used to indicate that something has been improved or made more sophisticated through a process or influence. Example: "The final product was refined by the feedback received during the testing phase."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
These groups were refined by Galen and later by Avicenna.
Encyclopedias
Her vision for Borobi was refined by professional designers and animation specialists.
News & Media
The strategy was refined by Conservation International, an influential private group in Washington.
News & Media
More to the point, their marriage had been refined by the art of work.
News & Media
Then it was refined by Tony Rice, whose guitar belonged to White.
News & Media
Every prototype cut by a machine had to be refined by hand.
News & Media
The plan, to be refined by the City Planning Department, seems popular.
News & Media
Mr. Botvinnik had a scientific approach refined by study of his opponents' psychology.
News & Media
The idea has been refined by Tara Calishain, author of the online newsletter ResearchBuzz (researchbuzz.com).
News & Media
Often, for good measure, the distillate is further refined by leaching through charcoal.
News & Media
The technique was originally refined by the French, Mr. Neff said.
News & Media
Expert writing Tips
Best practice
When using "refined by", ensure that the agent or process doing the refining is clearly identified to provide a complete and understandable description.
Common error
Avoid using "refined by" for simple improvements that don't involve a complex or deliberate process. Opt for simpler terms like "improved by" or "enhanced by" in those cases. For example, don't say, "The recipe was refined by adding salt," but rather, "The recipe was improved by adding salt."
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "refined by" functions as a passive construction, indicating that a subject has undergone a process of improvement or precision. As Ludwig AI shows, it's commonly used to describe how something has been modified or enhanced.
Frequent in
Science
40%
News & Media
35%
Encyclopedias
5%
Less common in
Formal & Business
10%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "refined by" is a grammatically correct and frequently used passive construction that signifies improvement through a deliberate process. As indicated by Ludwig, it appears across various contexts, including science, news, and encyclopedias, with a neutral to formal register. While versatile, it's best employed when describing a complex or precise improvement. Remember to avoid overusing it in simple scenarios where more straightforward alternatives like "improved by" suffice.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
improved by
General term for betterment, but "refined by" indicates a more specific and careful process.
redesigned by
Focuses specifically on the act of design being improved, instead of a more general refinement.
furthered by
Highlights the progression or advancement caused by something, not necessarily a refinement.
streamlined by
Emphasizes efficiency and simplification, whereas "refined by" can include broader improvements.
reformulated by
Implies a change in the formulation or composition, instead of a more general improvement.
restructured by
Focuses on changes to the structure, rather than an overall improvement or refinement.
reorganized by
Focuses on changes to the organization, rather than an improvement in quality or precision.
branded by
Implies association or identification with a brand, rather than improvement through a process.
reinforced by
Implies strengthening or supporting, rather than refining or improving.
intensified by
Suggests an increase in strength or degree, not necessarily an improvement in quality or precision.
FAQs
How can I use "refined by" in a sentence?
You can use "refined by" to indicate that something has been improved or made more precise through a process. For example, "The initial design was "refined by" the engineering team".
What are some alternatives to "refined by"?
Alternatives to "refined by" include "improved by", "enhanced by", or "perfected by", depending on the specific context and the nuance you want to convey.
Is it more appropriate to use "refined by" or "improved by"?
"Refined by" implies a more delicate or precise process of improvement, whereas "improved by" is a more general term. Use "refined by" when the improvement involves careful adjustments and attention to detail. In cases where a simple amelioration is implied, "improved by" is better suited.
What's the difference between "refined by" and "influenced by"?
"Refined by" suggests a process of improvement, while "influenced by" indicates that something has been affected or shaped by something else. The former implies a positive change, while the latter is more neutral. If a process or thing was impacted or changed by a thing or process but not necessarily improved, "influenced by" should be used instead.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested