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
Extensive knowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Extensive knowledge" is correct and usable in written English.
It can be used to describe a deep or comprehensive understanding of a particular subject or field. Example: "Her extensive knowledge of marine biology made her an invaluable asset to the research team."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(20)
comprehensive understanding
substantial knowledge
voluminous knowledge
range and scope
Profound insight
considerable knowledge
full spectrum
broad understanding
Comprehensive understanding
intensive knowledge
depth and breadth
depth and depth
thorough understanding
Broad understanding
extent and breadth
scope and breadth
comprehensive nature
intense knowledge
Considerable expertise
broad knowledge
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
58 human-written examples
He had extensive knowledge and distinguished ability in his boyhood.
News & Media
But enough of my extensive knowledge of the Paley Center.
News & Media
Programming in assembly languages requires extensive knowledge of computer architecture.
Encyclopedias
Buyers and sellers often begin with extensive knowledge of autos and therefore speak a common language.
News & Media
He was always generous with his extensive knowledge of clothes, horsemanship, and alcohol.
News & Media
Chana has extensive knowledge on the benefits of healthy working and applying this to the workplace.
News & Media
Frey managed to translate her extensive knowledge of art history into Bunyanesque monuments of endearing klutziness.
News & Media
Paul has extensive knowledge about the world and the international economy.
News & Media
Tanta used her extensive knowledge of the loan industry to comment, castigate and above all instruct.
News & Media
"He has extensive knowledge of our global food categories, our customers and our worldwide operations".
News & Media
"Darra has got amazing contacts and extensive knowledge of best value.
News & Media
Expert writing Tips
Best practice
When describing someone's qualifications, use "extensive knowledge" to highlight their deep and comprehensive understanding of the subject matter. It conveys a sense of authority and competence.
Common error
Avoid using "extensive knowledge" when describing a beginner's understanding. Reserve this phrase for individuals with significant experience and a deep understanding of the topic.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extensive knowledge" functions as a noun phrase, where "extensive" modifies the noun "knowledge". It describes the depth and breadth of someone's understanding or familiarity with a particular subject. Ludwig AI confirms its correct usage in numerous contexts.
Frequent in
News & Media
69%
Encyclopedias
12%
Science
8%
Less common in
Wiki
5%
Formal & Business
3%
Reference
3%
Ludwig's WRAP-UP
The phrase "extensive knowledge" is a common and grammatically sound way to describe a deep understanding of a subject. As Ludwig AI indicates, it is widely used across various contexts, particularly in News & Media, Encyclopedias and Science. While generally neutral to formal in register, it effectively conveys expertise and qualifications. For synonyms, consider alternatives such as "comprehensive understanding" or "in-depth expertise". Be mindful of overstating expertise and reserve this phrase for those with demonstrable and significant knowledge.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Comprehensive understanding
Focuses on understanding as opposed to just knowing facts.
In-depth expertise
Highlights the specialized and thorough nature of the knowledge.
Broad understanding
Emphasizes the breadth of the knowledge.
Considerable expertise
Indicates a significant level of skill and knowledge.
Substantial background
Focuses on the foundational knowledge one possesses.
Vast experience
Implies knowledge gained through practical involvement.
Wide range of skills
Highlights abilities developed from a variety of sources.
Profound insight
Emphasizes deep understanding and interpretive ability.
Deep seated knowledge
Stresses the embedded and thorough quality of the knowledge.
Well versed in
Indicates a comprehensive familiarity and competence.
FAQs
How can I use "Extensive knowledge" in a sentence?
"Extensive knowledge" is often used to describe someone's deep understanding of a subject. For example: "Her extensive knowledge of marine biology made her an invaluable asset to the research team."
What are some alternatives to saying "Extensive knowledge"?
Alternatives include "comprehensive understanding", "in-depth expertise", or "broad understanding" depending on the context.
Is it appropriate to use "Extensive knowledge" in formal writing?
Yes, "extensive knowledge" is suitable for formal writing as it accurately and professionally describes a deep understanding of a subject.
What is the difference between "extensive knowledge" and "basic knowledge"?
"Extensive knowledge" implies a deep and thorough understanding, whereas "basic knowledge" indicates a foundational understanding of a subject. "Extensive knowledge" goes beyond the surface level.
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