A deep knowledge of vs A deep knowledge about

Both "a deep knowledge of" and "a deep knowledge about" are commonly used phrases in English. They are interchangeable in many contexts, but there are subtle differences in usage. "A deep knowledge of" is more commonly used when referring to a specific subject or field, while "a deep knowledge about" is more general and can be used in a broader sense.

Last updated: March 30, 2024 • 4186 views

This phrase is correct and commonly used in English.

"A deep knowledge of "

This phrase is used to indicate a profound understanding or expertise in a specific subject or field.

Examples:

She has a deep knowledge of ancient history.
He possesses a deep knowledge of computer programming.
The professor has a deep knowledge of literature.

Show examples from the web [+]

An ideal solution would be selection of a judge with a deep knowledge of the Polish legal system.
What I mean is that I truly wonder why someone who is a lawyer would change countries without having a deep knowledge of the legal system of the country in which he is going to practise.
In Finland's case it also brings a deep knowledge of and cooperation with its neighbours, including Russia.
looks, brains, good taste, a deep knowledge of guns and blowing things up.
Believes that a consistent integration policy should foresee, together with civil rights, a deep knowledge of the host country and respect for its laws and identity in order to contribute to the community;
He is an exceptionally good Member of Parliament with a deep knowledge of the subjects that he deals with, and also a very pleasant way of collaborating with others.

Alternatives:

a profound understanding of
an extensive knowledge of
a comprehensive knowledge of
a thorough understanding of
a strong grasp of

This phrase is correct and commonly used in English.

"A deep knowledge about "

This phrase is used to indicate a broad or general understanding of a topic or concept.

Examples:

She has a deep knowledge about various cultures.
He has a deep knowledge about environmental issues.
The book provides a deep knowledge about human psychology.

Show examples from the web [+]

The report by Michael Holmes quite rightly underlines the lack of real scientific knowledge about deep-water fish stocks.
In Finland's case it also brings a deep knowledge of and cooperation with its neighbours, including Russia.
An ideal solution would be selection of a judge with a deep knowledge of the Polish legal system.
He is an exceptionally good Member of Parliament with a deep knowledge of the subjects that he deals with, and also a very pleasant way of collaborating with others.
looks, brains, good taste, a deep knowledge of guns and blowing things up.
What I mean is that I truly wonder why someone who is a lawyer would change countries without having a deep knowledge of the legal system of the country in which he is going to practise.
Believes that a consistent integration policy should foresee, together with civil rights, a deep knowledge of the host country and respect for its laws and identity in order to contribute to the community;
Honestly, I don't know what to say when I hear men of your deep knowledge and experience talk like that.
According to the dictionary: deep knowledge of things, natural or acquired; erudition; rectitude.
Their deep knowledge of the key role played by urbanization in driving economic development will be critical to broadening the structural transformation that China now faces.
The insufficient knowledge about the impact of chemicals on human health and environment is a cause of deep concern, as measures to prevent the release of dangerous chemicals to the environment cannot wait.
Knowledge about the mechanism is incomplete.
The Commission has no reliable knowledge about this.
Farmers themselves should have sufficient knowledge about good plant protection practices.
Scientific knowledge about LSD is incomplete.
This Directive reflects current knowledge about the products concerned.
Given your deep knowledge of the wildling army, Lord Snow, you and Tarly will take night duties atop the Wall until the full moon.
The WHO is the only implementing agency with the expertise, deep knowledge, personnel, structure and resources to implement the projects and activities foreseen in this Council Decision.
Ultimately, it is a question of different spheres of authority, where the European Parliament and its Members do not have any legal means of changing the current corporate decision or do not even have a particularly deep knowledge of the situation in the factory as it stands.
The Commission welcomes Mr Howitt's report, which is evidence of deep knowledge and competence and not only essentially endorses the Commission's aim of strengthening CSR in Europe, but also makes an important contribution towards achieving it.

Alternatives:

a profound understanding about
an extensive knowledge about
a comprehensive knowledge about
a thorough understanding about
a strong grasp about

How TextRanch works

Fast and reliable proofreading, editing, and language advice tailored to your needs.

1. Choose Your Service

Quick Text Editing

Emails and short texts
Proofreading & editing
Ready in 5-10 minutes

SUBMIT YOUR TEXT NOW

Document Editing

Documents of any type (*.docx)
Advanced & Premium editing
Ready in as little as 4 hours

UPLOAD YOUR DOCUMENT

Ask an Editor

Personalized answers to your language questions
Expert guidance on grammar, style, and usage
Ready in 24 hours

ASK YOUR QUESTION

Upload your document or paste your text directly into our platform. Your text is reviewed and refined by our expert editors (real people, not machines) who understand the nuances of English. Expect corrections, improvements, and insightful suggestions that enhance the clarity, tone, and professionalism of your writing.

3. Receive Your Polished Text

In just a few minutes (or hours for longer documents), you'll receive your corrected text. Review the changes, make any final adjustments, and confidently share your polished English with the world.
You can count on a personalized, friendly service every time you use TextRanch. We're committed to helping you make a great impression with every word you write.

We proofread and edit these types of texts and documents:

Short texts Business Emails Personal Emails Social media posts Resume and Curriculum Vitae Business documents Sales proposal Research and academic papers Thesis Dissertation Essays Articles Blog posts and much more....

Our Customers Love Us!

We have an average rating of 4.79 stars based on 283125 votes, and

4.9 Excellent - Reviews 2.137

"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"

Zubair
from Bangladesh

"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"

Arturo
from Mexico

"In a world of text messages and online communication, this is great to have as a live tool. Thank you."

Selena
from USA

"Wow, it's just so excellent. I never would have believed I could have a sure and excellent English companion. Thanks, TextRanch."

Ifiok
from Nigeria

"This is my first time using TextRanch, and I like how the editors take time to correct my text. To everyone who has never used TextRanch before, I highly recommend trying it."

Wilson
from France

"It is an amazing source of feedback because, as a non-native speaker, I really need to have a reliable helper correct my text."

Susan
from Germany

A deep knowledge of vs A deep knowledge about