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
is deeply knowledgeable about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is deeply knowledgeable about" is correct and usable in written English.
You can use it to describe someone who has extensive knowledge or expertise in a particular subject or field. Example: "Dr. Smith is deeply knowledgeable about climate change and its impacts on global ecosystems."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
has extensive knowledge of
is well-versed in
is an expert in
possesses a strong understanding of
demonstrates mastery of
is thoroughly familiar with
has a solid background in
has extensive experience
has a strong insight
brings a wealth of experience
is highly experienced
possesses extensive experience
has a large experience
has a strong experience
demonstrates significant experience
has a proven track record
has considerable expertise
has a considerable experience
has deep insight into
possesses profound understanding of
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
5 human-written examples
Pai has nevertheless drawn praise from both sides of the political spectrum as an affable, experienced policymaker who is deeply knowledgeable about technology and the law.
News & Media
He is deeply knowledgeable about the country's pop culture, its shared televised imagery, peppering his speech with references to films, books, artists.
News & Media
"It would be someplace between surprising and shocking if there wasn't some substantive discussion between the former president, who is deeply knowledgeable about the nuclear issue, and Kim Jong-il," said Robert L. Gallucci, who negotiated with North Korea in the Clinton administration.
News & Media
As long as such a person is deeply knowledgeable about academic subjects and knows how to live well, that person would have all they need for wisdom.
Science
Eric Garcetti, the new mayor, is deeply knowledgeable about architecture and planning, but while a member of the City Council showed little of the tolerance for controversy that will be required if he wants to become an active patron for innovative public design.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Their tastes are "extravagant" and they are "proud to spend," he said; but beneath the surface ostentation his Middle Eastern clients are deeply knowledgeable about mechanical watches.
News & Media
"It helps to be deeply knowledgeable about an area — to know the people, to know the language, to know the history, the culture, the literature.
News & Media
Judge Wilkinson told Charlie Savage of The Times, "I think he's balanced, he's moderate, and he's deeply knowledgeable about law".
News & Media
Moreover, nonprofit board members typically have served as volunteers themselves for a good many years and are deeply knowledgeable about the organization, unlike outside directors in a business.
News & Media
"It helps to be deeply knowledgeable about an area to know the people, to know the language, to know the history, the culture, the literature.
News & Media
Our writers from across the globe will offer a regular diet of personal dispatches from regions they are deeply knowledgeable about, and on issues they, and our readers, feel strongly about.
News & Media
Expert writing Tips
Best practice
When using "is deeply knowledgeable about", ensure that the subject's expertise is relevant to the context you're describing. Provide specific examples or evidence of their knowledge to add credibility.
Common error
Avoid using "is deeply knowledgeable about" without providing concrete examples or context that support the claim. General statements without substantiation can weaken your argument.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is deeply knowledgeable about" functions as an adjective phrase modifying a noun or pronoun. It describes someone who possesses a significant level of expertise or understanding in a particular subject. As Ludwig AI states, it is grammatically correct and usable in written English.
Frequent in
News & Media
60%
Academia
20%
Science
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "is deeply knowledgeable about" is a grammatically sound phrase used to describe someone with extensive expertise in a particular area. Ludwig AI confirms its correctness and usability. While not exceedingly common, it finds its place primarily in news, academic, and scientific contexts. Alternatives like "has extensive knowledge of" or "is well-versed in" can provide nuanced variations. When using the phrase, be sure to provide concrete evidence or context to support the claim of expertise, and avoid overstating someone's knowledge without sufficient backing. This ensures credibility and clarity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has extensive knowledge of
Focuses on the breadth of knowledge rather than the depth.
is highly informed about
Emphasizes being up-to-date and well-versed in current information.
is well-versed in
Highlights familiarity and competence with a subject.
possesses a strong understanding of
Stresses comprehension and insight into a topic.
is an expert in
Indicates recognized authority and skill in a particular field.
has profound insight into
Suggests a deep and perceptive understanding.
is intimately acquainted with
Implies a close and personal familiarity with the subject.
demonstrates mastery of
Highlights exceptional skill and control in a specific area.
is thoroughly familiar with
Emphasizes complete and detailed knowledge.
is exceptionally skilled in
Focuses on a high level of proficiency rather than just knowledge.
FAQs
How can I use "is deeply knowledgeable about" in a sentence?
You can use "is deeply knowledgeable about" to describe someone's expertise in a specific area. For example, "The professor "is deeply knowledgeable about" quantum physics and has published several papers on the subject."
What can I say instead of "is deeply knowledgeable about"?
You can use alternatives like "has extensive knowledge of", "is well-versed in", or "is an expert in" depending on the context.
Which is correct, "is deeply knowledgeable about" or "has deep knowledge about"?
Both phrases are grammatically correct, but ""is deeply knowledgeable about"" is more common and idiomatic. "Has deep knowledge about" is less frequently used.
What's the difference between "is knowledgeable about" and "is deeply knowledgeable about"?
"Is deeply knowledgeable about" implies a greater level of expertise and understanding compared to simply "is knowledgeable about". The addition of "deeply" emphasizes the extent of their knowledge.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested