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
is subject to debate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is subject to debate" is correct and usable in written English.
It can be used when discussing a topic or issue that is open to differing opinions or interpretations. Example: "The effectiveness of the new policy is subject to debate among experts in the field."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
is open to question
is debatable
is controversial
is subject to interpretation
is a matter of contention
is not yet settled
is up for discussion
remains unresolved
is still under consideration
is open to discussion
is willing to challenge
is likely to challenge
is subject to tax
is susceptible to challenge
can be challenged
is subject to constraints
is free to challenge
remains unproven
is subject to appeal
is subject to interference
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
Whether this is a good thing is subject to debate.
News & Media
The total cost of earmarks is subject to debate.
News & Media
The wall's original purpose is subject to debate.
News & Media
Even the distinction between overhead and variable costs is subject to debate.
Encyclopedias
How much of a problem this might be is subject to debate.
News & Media
Diagnosis of any mental disorder at this young age is subject to debate.
News & Media
How far we have truly progressed from that sentiment is subject to debate.
News & Media
QUESTION FROM GABOR RONA: Whether Military Commissions have been substantially reformed is subject to debate.
News & Media
Even the most fundamental operational fact — how much oil Venezuela produces — is subject to debate.
News & Media
What constitutes the right thing, of course, is subject to debate.
News & Media
The exact location of Green's Farms borders is subject to debate, as the area has no official governmental status.
News & Media
Expert writing Tips
Best practice
When using "is subject to debate", ensure the context clearly indicates what aspect is being debated. Providing context helps avoid ambiguity.
Common error
While "is subject to debate" is appropriate in formal contexts, overuse can make your writing sound stilted. Consider using simpler alternatives like "debatable" or "open to question" for a more natural tone.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is subject to debate" functions as a qualifier, indicating that a statement, fact, or idea is not definitively settled and remains open to different opinions or interpretations. Ludwig confirms the correctness and usability of the phrase in English.
Frequent in
Science
40%
News & Media
38%
Encyclopedias
5%
Less common in
Wiki
5%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "is subject to debate" is a grammatically sound and frequently used phrase to denote that a topic invites differing viewpoints. As Ludwig affirms, it is correct and usable in written English. Predominantly found in science and news media, the expression serves to signal contention and uncertainty. While versatile, avoiding overuse in favor of simpler alternatives enhances writing clarity. Remember that as Ludwig provides examples, this expression works best when followed by a clear indication of what the debate entails. Consider also, when writing, similar expressions like "is open to question" or "is debatable" depending on context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is debatable
A more concise way of saying the same thing, indicating that arguments can be made on both sides.
is open to question
This alternative suggests that the matter is not yet decided and further examination may be necessary.
is a matter of contention
This highlights the presence of strong disagreement and conflicting viewpoints.
is a controversial issue
This phrase emphasizes the divisive nature of the topic.
is not yet settled
Similar to 'unsettled matter' but perhaps implying a process towards settlement.
is an unsettled matter
Focuses on the lack of a final decision or resolution.
is a point of disagreement
Highlights a specific aspect or element where opinions diverge.
is up for discussion
Suggests that the topic is currently being considered and different opinions are welcome.
remains unresolved
This emphasizes the continuing lack of a solution or agreement.
is still under consideration
Implies that the matter is being actively reviewed and evaluated.
FAQs
How can I use "is subject to debate" in a sentence?
Use "is subject to debate" to indicate that a particular issue or aspect is open to different interpretations or opinions. For instance, "The economic impact of the policy is subject to debate among economists."
What can I say instead of "is subject to debate"?
You can use alternatives like "is open to question", "is debatable", or "is controversial depending on the context.
Is it better to say "is subject to debate" or "is a matter of debate"?
Both "is subject to debate" and "is a matter of debate" are grammatically correct and convey a similar meaning. The choice often depends on personal preference or the specific flow of your writing.
What's the difference between "is subject to debate" and "is subject to interpretation"?
"Is subject to debate" implies that there are differing opinions or arguments about something, while "is subject to interpretation" suggests that something can be understood in multiple ways. While related, the former focuses on disagreement, and the latter on varying understanding.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested