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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
run deep
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "run deep" is a valid and usable part of a sentence in written English.
It is commonly used to describe a situation or emotion that has been deeply entrenched in one's life for a significant period of time. For example, "The residents of this small town have a history that runs deep."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(3)
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
60 human-written examples
The differences run deep.
News & Media
The scars run deep.
News & Media
But stereotypes run deep.
News & Media
Sectarian conflicts run deep.
News & Media
The flaws run deep.
News & Media
The problems run deep.
News & Media
Tensions run deep.
News & Media
GRIEVANCES run deep in Europe.
News & Media
His liberal instincts run deep.
News & Media
But quiet waters run deep.
News & Media
But historic animosities run deep.
News & Media
Expert writing Tips
Best practice
When using "run deep", ensure the context clearly indicates what is deeply rooted, whether it's emotions, problems, traditions, or connections. For example, "The cultural divides here "run deep"".
Common error
Avoid using "run deep" to describe fleeting or trivial matters. This phrase is best reserved for situations where the depth and significance are truly substantial. Using it loosely can dilute its impact and credibility.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "run deep" functions as a verb phrase that modifies a noun, indicating the extent or profundity of the noun's characteristics. As Ludwig AI suggests, it describes something that is deeply ingrained or far-reaching, like emotions or problems.
Frequent in
News & Media
68%
Academia
14%
Science
9%
Less common in
Formal & Business
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "run deep" is a versatile verb phrase used to describe something that is profoundly ingrained or has significant implications. As Ludwig AI confirms, the phrase is grammatically correct and widely accepted in the English language. It is most frequently found in news and media, but also appears in academic and scientific writing. The phrase conveys the intensity and significance of a situation, emotion, or connection. To use "run deep" effectively, ensure the context warrants the depth it implies, and consider using alternatives like "are deeply ingrained" or "are profoundly rooted" to add nuance. Avoid overusing the phrase in trivial contexts, as this can diminish its impact. The phrase has a neutral register, making it suitable for a variety of communication styles. With 56 examples from reputable sources, the usage patterns indicate that it's safe to say that "run deep" has many applications, and its consistent use shows its place in the English language.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are deeply entrenched
This conveys a sense of being firmly established and difficult to change.
are deeply ingrained
This alternative emphasizes the established nature of something within a system or individual.
are profoundly rooted
This phrase stresses the fundamental and lasting nature of the subject.
are inherently embedded
This signifies that something is naturally and fundamentally part of something else.
are intensely felt
This suggests a strong emotional connection or impact.
are firmly established
This alternative highlights the secure and recognized status of something.
are inherently part of
This denotes that something is an essential characteristic or component.
are intricately woven
This emphasizes the complex and interconnected nature of the subject.
hold significant weight
This highlights the importance and influence of something.
have far-reaching consequences
This points to the extensive impact and effects of something.
FAQs
How can I use "run deep" in a sentence?
What's an alternative way to say "run deep"?
Alternatives to "run deep" include phrases like "are deeply ingrained", "are profoundly rooted", or "are intensely felt", depending on the specific context you wish to convey.
Is it correct to say "runs deeply" instead of "run deep"?
While "runs deeply" is grammatically valid, "run deep" is the more common and idiomatic expression when describing the extent or depth of something. "Runs deeply" might be used to describe the manner in which something penetrates, but it's less frequently used.
What is the difference between "run deep" and "go deep"?
"Run deep" typically describes something that is already established and profound, while "go deep" suggests an action of exploring or investigating something to a greater extent. For example, "The investigation will "go deep" into the company's finances" versus "The cultural traditions "run deep" in this region".
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested