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
with which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "with which" is correct and usable in written English.
It is typically used to introduce a clause that provides additional information about a noun, often in formal or academic writing. Example: "The book with which I am currently engaged offers a comprehensive overview of the subject."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
And with which cheese?
News & Media
But with which party?
News & Media
With which we feel the world?
News & Media
And in comparison with which alternative techniques?
Encyclopedias
He had nothing with which to reciprocate.
News & Media
Symphony, with which she earned widespread notice.
Encyclopedias
with which to express oneself.
News & Media
with which a connection should be established.
With which shall I end it?
With which US city is it twinned?
News & Media
Wälse!" with which he invokes ancestral protection.
News & Media
Expert writing Tips
Best practice
Use "with which" to add a layer of formality and precision to your writing, especially in academic papers or professional reports. It often enhances the sophistication of your sentence structure.
Common error
Avoid using "with which" in informal contexts where simpler alternatives like "that" or "which" would suffice. Overusing formal language can make your writing sound stilted or pretentious.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "with which" functions as a prepositional relative pronoun, introducing a relative clause that modifies a preceding noun. It connects the main clause to a subordinate clause, providing additional information about the noun. Ludwig AI validates this usage.
Frequent in
News & Media
58%
Science
24%
Encyclopedias
6%
Less common in
Academia
4%
Formal & Business
2%
Reference
2%
Ludwig's WRAP-UP
In summary, "with which" serves as a formal relative pronoun, primarily used to connect clauses by providing additional detail about a preceding noun. It's frequently found in formal writing contexts such as news, scientific publications, and encyclopedias, but should be used sparingly in informal settings. Ludwig AI validates its correctness and suggests that while "with which" adds sophistication, simpler alternatives may sometimes be more appropriate. Understanding its proper usage ensures clarity and avoids sounding overly formal.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
by which
A direct and simple alternative that expresses the means or method by which something is achieved.
by means of which
More explicitly states that something is achieved through a particular method or tool, providing a clearer emphasis on instrumentality.
whereby
Implies a means or process by which something is done or comes about. It often replaces "with which" in describing methods or procedures.
through which
Suggests a passage or medium by which something is accomplished or experienced, focusing on the channel or pathway involved.
by that
A more concise alternative, though potentially less formal, indicating the instrument or method used.
through the use of which
Emphasizes the application of a specific tool or resource in achieving a particular outcome, adding a layer of detail.
in that
Used to specify a particular aspect or condition related to something, often introducing a reason or explanation.
by virtue of which
Highlights the authority or justification behind an action or condition, suggesting a legal or formal basis.
whereupon
Indicates an immediate consequence or result of something, highlighting the sequential relationship.
consequently
Indicates a direct result or outcome, focusing on the logical connection between cause and effect.
FAQs
How can I use "with which" in a sentence?
"With which" is used to introduce a relative clause, providing more information about a noun. For example, "The tool with which I fixed the car is very old."
What are some alternatives to "with which"?
Depending on the context, you can use alternatives such as "by which", "through which", or simply "that" or "which". For example, "The method "by which" the experiment was conducted was flawed."
Is it always necessary to use "with which" in formal writing?
No, while "with which" can add a formal tone, it's not always necessary. Sometimes, simpler alternatives like "which" or rephrasing the sentence can be more effective. The key is to maintain clarity and conciseness.
What's the difference between "with which" and "with whose"?
"With which" is used to refer to things, while "with whose" is used to refer to people or entities possessing something. For instance, "the company "with whose" help the project was finished" implies the company provided assistance.
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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
4.5/5
Expert rating
Real-world application tested