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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
knowledgeable on this subject
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "knowledgeable on this subject" is correct and usable in written English.
It can be used when referring to someone's expertise or understanding of a particular topic. Example: "She is very knowledgeable on this subject, making her an excellent resource for our research."
✓ Grammatically correct
News & Media
Science
Wiki
Formal & Business
Alternative expressions(3)
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
2 human-written examples
Regeni's supervisor, Maha Abdelrahman, is very knowledgeable on this subject: she has been a vocal critic of Egypt's military governments and has written extensively about the country's unions and protest movements.
News & Media
As one biology teacher wrote, "[C]ritical literacy means reading," but then elaborated that it involves multiple processes (reading, viewing, discussing, documentation, and writing) with critical questioning, "[I]s the author knowledgeable on this subject?
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Unless the patient is fortunate enough to be referred to a physician who, if not knowledgeable on the subject, is aware of specialist help, this will invariably result in the patient being told that there is 'nothing physically wrong with them'.
Science
But their training is proceeding, as someone knowledgeable on the subject put it, "on pigeon time," so this may not occur until later in the run of the piece.
News & Media
Some panelists took on this subject provocatively.
News & Media
Earth and Fire call such enthusiasts, and anyone extremely knowledgeable on the subject, drug geeks.
News & Media
The American most knowledgeable on the subject – Bill Clinton's defence secretary William J Perry – has just published a book warning that "nuclear doom" is closer today than it ever was during the cold war.
News & Media
Olsen, noting her background in neuroendocrinology, promised to "become more knowledgeable" on the subject in the coming months.
Science & Research
In community question answering (cQA), users pose queries (or questions) on portals like Yahoo! Answers which can then be answered by other users who are often knowledgeable on the subject.
Science
However, in this debate, I have seen a less helpful form of testimonials - a testimonial by someone who, although famous, is not necessarily knowledgeable on the subject.
News & Media
As it turns out, he wasn't very knowledgeable on the subject and, in essence, created a postmodern version of Satanism as he went along.
News & Media
Expert writing Tips
Best practice
When describing someone's qualifications, use "knowledgeable on this subject" to concisely convey their expertise. This phrase is suitable for formal and informal contexts.
Common error
While generally acceptable, avoid using "knowledgeable on this subject" in extremely casual conversations. Opt for simpler terms like "knows a lot about this" in such cases.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "knowledgeable on this subject" functions as an adjectival phrase, modifying a noun (often implied) to indicate expertise or familiarity with a specific topic. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
News & Media
35%
Science
30%
Wiki
20%
Less common in
Formal & Business
15%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "knowledgeable on this subject" is a grammatically correct and usable phrase to describe someone's expertise or understanding of a topic. Ludwig AI analysis shows that it is most commonly found in news and media, as well as scientific contexts, and is considered to be of neutral to professional register. While there are many alternative phrases you can use, such as "well-informed on this topic" or "expert in this subject matter", "knowledgeable on this subject" remains a concise and effective way to convey expertise in both formal and informal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
highly knowledgeable about this subject
Adds "highly" to intensify the level of knowledge.
well-informed on this topic
Replaces "knowledgeable" with "well-informed", emphasizing the state of being informed.
thoroughly informed about this subject
Emphasizes the thoroughness of the information possessed.
expert in this subject matter
Substitutes "knowledgeable on" with "expert in", highlighting a higher level of skill.
has expertise in this area
Reformulates the phrase to focus on possessing expertise.
familiar with this subject
Replaces "knowledgeable" with "familiar", indicating a basic understanding.
possesses deep knowledge of this topic
Emphasizes the depth of knowledge using a different structure.
conversant with this subject
Uses "conversant" instead of "knowledgeable", suggesting ease and fluency in discussing the subject.
well-acquainted with this subject
Uses "well-acquainted" to suggest a comfortable and thorough understanding.
well-versed in this area
Replaces "knowledgeable on this subject" with "well-versed in this area", indicating extensive knowledge.
FAQs
How can I rephrase "knowledgeable on this subject"?
Alternatives include "well-informed on this topic", "expert in this subject matter", or "familiar with this subject", depending on the desired level of formality and emphasis.
Is it correct to say "knowledgeable about this subject"?
Yes, "knowledgeable about this subject" is also correct and often used interchangeably with "knowledgeable on this subject". Both prepositions are acceptable.
What is the difference between "knowledgeable on this subject" and "an expert in this subject"?
While both suggest a high level of understanding, "an "expert in this subject"" typically implies a more profound and specialized level of knowledge than simply being "knowledgeable on this subject".
In what contexts is "knowledgeable on this subject" most appropriate?
This phrase is suitable for various contexts, including academic discussions, professional reports, and news articles. It's a versatile way to describe someone's understanding of a topic.
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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