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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
has vast knowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has vast knowledge" is correct and usable in written English.
One example sentence in which this phrase might be used is: "She has vast knowledge of computer programming."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(13)
possesses extensive expertise
is an authority on
is highly knowledgeable
is well-versed in
demonstrates profound understanding
has a comprehensive grasp of
has huge knowledge
has considerable knowledge
has great knowledge
has broad knowledge
has significant knowledge
has extensive knowledge
has tremendous 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
3 human-written examples
On the US side, that means one of the officials who is here has vast knowledge and experience of the technical detail.
News & Media
"I am really excited to be working alongside Matt Walker as he has vast knowledge of the game and I know he is looking forward to this next chapter of his career".
News & Media
Wikileaks spokesman Kristinn Hrafnsson told the BBC on 24 June that "we have been helping him on two fronts: on one side, our legal team has been in contact and consultation and advising his legal team - for obvious reasons our legal team has vast knowledge in matters of extradition so it's quite natural that they could assist in many ways.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
The Navy also commands explosives experts who have vast knowledge of underwater demolitions.
News & Media
You cannot spend 40 to 50 years in football and not have vast knowledge.
News & Media
Though Schafer and others on the Double Fine team had vast knowledge of specific types of metal, Ridgway turned to a used-CD store owner named Allan from Aquarius Records who had "encyclopedic knowledge" of the entire genre, and who provided the team with sample CDs to help them discover some of the more obscure metal bands.
Wiki
Mechanics must have vast knowledge in adjusting, repairing, maintaining and testing all the mechanisms of a car.
Wiki
The Olympics require presenters to have vast sporting knowledge, or at least an ability to swot up quickly, and there are always some hilarious moments.
News & Media
There are branches within Blackwells and Waterstones that are very good shops indeed, run by managers who have vast experience, knowledge and passion and who have found a way to operate effectively despite the creep of centralisation.
News & Media
According to Bowes, Rhodes had vast technical knowledge, but unlike Hirst did not know how to get the best out of people.
Wiki
Most shops like this are staffed by former dealership employees that have vast product knowledge of the car-line.
Wiki
Expert writing Tips
Best practice
When describing someone's expertise, follow "has vast knowledge" with a specific area of expertise to provide context. For example, "She has vast knowledge of ancient history".
Common error
Avoid using "has vast knowledge" as a generic compliment. Instead, specify the field of knowledge or the impact of that knowledge. For example, instead of saying "He has vast knowledge", say "He has vast knowledge of software engineering, enabling him to lead complex projects effectively."
Source & Trust
79%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has vast knowledge" functions as a descriptor, attributing a significant level of understanding or expertise to a subject. Ludwig AI confirms its usability, and examples illustrate its role in specifying a person's qualifications or capabilities.
Frequent in
News & Media
40%
Wiki
30%
Science
10%
Less common in
Encyclopedias
7%
Formal & Business
7%
Social Media
6%
Ludwig's WRAP-UP
In summary, the phrase "has vast knowledge" is a grammatically correct and usable way to describe someone's deep understanding of a subject. Ludwig AI confirms this, and examples from various sources demonstrate its use in both formal and informal contexts. While common, remember to specify the area of knowledge for clarity. Alternatives like "possesses extensive expertise" or "is highly knowledgeable" can add variety to your writing. Keep in mind that the phrase is most frequently found in News & Media and Wiki sources, reflecting its broad applicability. The main point to remember is avoid using the phrase as a generic compliment and clarify of which area the person "has vast knowledge".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
possesses extensive expertise
Replaces "vast knowledge" with synonyms, focusing on the depth of expertise.
is an authority on
Positions the person as a leading expert in a field.
is highly knowledgeable
Uses an adjective to describe the person's state of knowing much.
is well-versed in
Indicates a thorough familiarity and competence in a particular subject.
demonstrates profound understanding
Highlights the depth of comprehension rather than the breadth of knowledge.
has a comprehensive grasp of
Stresses the completeness of understanding a subject.
exhibits considerable insight
Focuses on the ability to perceive and understand complex situations.
boasts a rich understanding of
Highlights both the depth and breadth of understanding.
commands a wealth of information
Emphasizes the abundance of information the person has access to and control over.
maintains a deep reservoir of knowledge
Presents knowledge as a resource that is abundant and readily available.
FAQs
How can I use "has vast knowledge" in a sentence?
Use "has vast knowledge" to describe someone's extensive understanding of a subject. For example: "The professor "has vast knowledge" of astrophysics."
What are some alternatives to saying "has vast knowledge"?
You can use alternatives such as "possesses extensive expertise", "is highly knowledgeable", or "demonstrates profound understanding" depending on the context.
Which is correct, "has vast knowledge" or "has a vast knowledge"?
"Has vast knowledge" is generally preferred because "knowledge" is often treated as an uncountable noun. Using "a vast knowledge" is less common but not necessarily incorrect.
What's the difference between "has vast knowledge" and "is knowledgeable"?
"Has vast knowledge" implies a more extensive and comprehensive understanding than simply "is knowledgeable". The former suggests a deep reservoir of information, while the latter suggests a general level of awareness or understanding.
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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
79%
Authority and reliability
4.3/5
Expert rating
Real-world application tested