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
off which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "off which" is correct and usable in written English.
You can use "off which" as a subordinating conjunction to begin a dependent clause, which is a clause that cannot stand alone and must be connected to a main clause. For example: "The house was missing a wall, off which hung a few pieces of art."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(10)
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
49 human-written examples
Nobody falls off, which is a bonus.
News & Media
First off, which do you prefer, Phillips or flathead?
News & Media
1.53pm BST The covers are coming off Which is good.
News & Media
He had four weeks off, which is quite reasonable.
News & Media
I had a few weeks off, which was very nice.
News & Media
First off, which regions they are interested in.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
11 human-written examples
It was a trade-off, which worked really well".
News & Media
This resulted in a play-off, which he lost.
News & Media
Players from both clubs displayed a banner before kick-off, which read: "Get well soon!
News & Media
The United States responded with an aid cut-off which cost a dirt-poor country $500m.
News & Media
Pentatonix was discovered on "The Sing-Off," which runs on NBC but is produced by Sony.
News & Media
Expert writing Tips
Best practice
When using "off which", ensure the sentence maintains clarity and avoids awkward phrasing. It often works best when immediately following the noun it modifies.
Common error
Avoid using "off which" in overly convoluted sentences where a simpler prepositional phrase would suffice. Clarity is key.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "off which" functions as a relative pronoun introducing a relative clause. It connects a dependent clause to an independent clause, specifying the origin or the surface from where something starts or depends. As Ludwig AI confirms, this phrase is valid in written English.
Frequent in
News & Media
50%
Science
31%
Wiki
13%
Less common in
Formal & Business
6%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "off which" is a relative pronoun that introduces a relative clause specifying a starting point or surface. Ludwig AI confirms its validity, and it’s most commonly found in news and media, science, and wiki contexts, as seen in the provided examples. While grammatically correct, ensure its use enhances clarity rather than complicating sentence structure. Consider alternatives like "from which" or "on which" for simpler expressions, and be mindful of maintaining a neutral to formal tone. It's best used to provide additional detail and clarification about a noun's origin or location.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
from which
Focuses on the origin or source, emphasizing the starting point.
on which
Indicates a surface or basis upon which something relies or is built.
upon which
Similar to 'on which', but often used in more formal contexts.
whereby
Denotes the way or manner in which something is done or achieved.
whereupon
Implies an immediate consequence or event following another.
by which
Specifies the method or means through which something is accomplished.
from where
Highlights the location or source from which an action or object originates.
through which
Indicates passage or movement from one point to another.
out of which
Emphasizes the material or substance from which something is made or derived.
based on which
Highlights the foundation or evidence upon which a decision or conclusion is made.
FAQs
How can I use "off which" in a sentence?
Use "off which" to indicate a point of departure or a surface from which something originates, such as, "The platform off which they jumped was quite high."
What's a good alternative to "off which"?
Consider using "from which" or "on which", depending on the nuance you want to convey. The best choice depends on the specific context.
Is "off of which" grammatically correct?
While you might hear "off of which" in informal speech, it's generally considered redundant in formal writing. Stick with simply "off which."
When is it best to use "off which" over simpler prepositions?
Use "off which" when you need to introduce a relative clause to provide more detail about the point of origin or the surface involved. Otherwise, a simpler preposition like "from" or "on" might be more concise.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
4.1/5
Expert rating
Real-world application tested