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 • 3985 views

A deep knowledge of

This phrase is correct and commonly used in English.

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

A deep knowledge about

This phrase is correct and commonly used in English.

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

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A deep knowledge of vs A deep knowledge about