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
a completely different matter
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a completely different matter" is correct and usable in written English.
You can use it to indicate that a topic or issue being discussed is unrelated or distinct from another topic. Example: "While the budget is important, the issue of employee morale is a completely different matter that needs to be addressed separately."
✓ Grammatically correct
News & Media
Science
Academia
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
30 human-written examples
Infant circumcision is a completely different matter.
News & Media
"But we're here about a completely different matter.
News & Media
Removing a "fetus" is a completely different matter.
News & Media
Whether that's indicative of a causal relationship is a completely different matter.
Academia
He said that was "a completely different matter, once the name was out there".
News & Media
The impact he made on the sport of rugby union was a completely different matter.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
30 human-written examples
On a completely different subject, the rebuilding of the Trade Center downtown is largely a state matter.
News & Media
Racing is a completely different thing".
News & Media
A different kettle of fish is an idiomatic phrase which means 'a completely different matter or issue'.
News & Media
That's a different kettle of fish, which is an idiomatic phrase that means 'a completely different matter or issue'.
News & Media
"Most poor black women, as of right now at least, would fail even a mild voter qualification exam," he admits, but he's undeterred, insisting that their disenfranchisement would be merely incidental to his epistocratic plan a completely different matter, he maintains, from the literacy tests of America's past, which were administered with the intention of disenfranchising blacks and ethnic whites.
News & Media
Expert writing Tips
Best practice
To add emphasis, follow "a completely different matter" with a brief explanation of why the new topic is distinct, strengthening your argument's logical flow.
Common error
Avoid using "a completely different matter" repeatedly within a short span of text. This can make your writing seem repetitive and lacking in nuance. Instead, vary your transitional phrases.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a completely different matter" functions as a transitional phrase, signaling a shift to a new and unrelated topic. Ludwig AI confirms its usage in diverse contexts, underlining its utility in differentiating distinct subjects.
Frequent in
News & Media
60%
Science
20%
Academia
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "a completely different matter" is a versatile transitional phrase used to clearly indicate a shift to a new, unrelated topic. It's grammatically correct and commonly used across various contexts, as supported by Ludwig's examples. While suitable for formal writing, it maintains a neutral tone and can be used effectively by following best practices, such as avoiding overuse and ensuring clear demarcation between topics. The phrase serves to signal a distinct change in focus, preventing confusion and enhancing clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an entirely distinct subject
Emphasizes the separateness of the subject; stronger emphasis on distinction.
an unrelated issue
Directly states that the matter is not related to the previous one.
a totally different ballgame
Emphasizes a change in circumstances, rendering prior knowledge less useful.
a separate kettle of fish
Uses a different idiom to convey the idea of a different issue.
a horse of another color
Uses an idiomatic expression to highlight the new matter's distinctiveness.
a world apart
Highlights how dissimilar the new matter is.
another animal altogether
Implies something is different and more complex than initially perceived.
a diversion from the core issue
Highlights that a new subject is being brought up which may distract from the core problem.
a tangent altogether
Indicates a deviation from the main topic, becoming a new matter.
an alternative scenario
Focuses on the potential for events unfolding in disparate ways.
FAQs
How can I effectively use "a completely different matter" in a sentence?
Use "a completely different matter" to signal a clear shift in the subject of discussion. For example, "While budget concerns are pressing, employee morale is "a completely different matter" that requires separate attention".
What are some alternatives to "a completely different matter"?
Consider using phrases like "an entirely distinct subject", "an unrelated issue", or "a separate kettle of fish" to introduce a new topic or argument.
Is "a completely different matter" suitable for formal writing?
Yes, "a completely different matter" is suitable for formal writing. While clear and direct, it maintains a level of professionalism appropriate for academic, business, and journalistic contexts.
How does "a completely different matter" differ from "a related issue"?
"A completely different matter" indicates a shift to an unrelated topic, while "a related issue" suggests a connection or overlap with the original subject. For example, you wouldn't use "a related issue" if there's no connection between the two topics.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested