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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
leave a question open
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "leave a question open" is correct and can be used in written English.
You can use this phrase when you want to hint that a certain question has yet to be answered. For example, "While there were some answers provided, this issue still leaves a question open about the future of the project."
✓ Grammatically correct
Science
News & Media
Wiki
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
1 human-written examples
Indeed, these limitations unfortunately leave a question open concerning the identity of the mentioned ball-lightning-like objects and natural thunderstorm related ball lightning.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Our data is in conflict with two previous biomarker-based studies leaving a question open of whether these fats are truly unrelated to preeclampsia or whether an association exists at greater intake levels.
Leaving a question open-ended gives your opponents room to refute.
Wiki
Our correspndent's point did leave an important question open.
News & Media
But it left an important question open: whether the required testimony must come from the analyst who actually did the work or from a colleague or a supervisor.
News & Media
However, measuring the level of attention in this way leaves an important question open: Do the followers of this user really read this message or does it get lost in the vast information flow one user is confronted with when following a large number of accounts?
Does the result hold for any finite group G, at least in the case of an Abelian variety A? We leave this question open, hoping to return on it.
Therefore, our frequency based approach leaves a few questions open.
Science
Not only are these findings useful as a potential biosensing strategy, but also leave an open question about the electronic and synergistic properties of DNA interacting with different materials and surfaces.
Science
All these studies leave an open question of whether the differentially expressed proteins are the result of altered epigenetic methylation.
Discrepant results between the three studies for SO2 and NO2 leave an open question about the role of these pollutants in RA.
Expert writing Tips
Best practice
Use "leave a question open" when you want to explicitly indicate that an issue or aspect of a topic remains unresolved and requires further consideration or investigation. This signals to your audience that you acknowledge the incompleteness of the current understanding.
Common error
Avoid using "leave a question open" as if it were a final statement on a matter. It should not suggest that no further inquiry is needed. Instead, use it to highlight the need for continued discussion and exploration.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "leave a question open" functions as a verb phrase indicating that a certain query or issue remains unresolved. It is used to explicitly acknowledge the incompleteness of information or the need for further discussion. As Ludwig AI explains, this phrase is correct and can be used in written English.
Frequent in
Science
34%
News & Media
34%
Wiki
8%
Less common in
Formal & Business
7%
Encyclopedias
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "leave a question open" is a common and grammatically sound way to express that an issue remains unresolved and requires further attention. According to Ludwig AI, the phrase is correct and suitable for written English. Predominantly used in science and news media, it signals the need for continued inquiry. When writing, it's best to use this phrase to invite further exploration rather than presenting it as a definitive conclusion. Consider using alternatives like "raise an unsettled issue" or "pose a pending inquiry" for a more formal tone.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
raise an unsettled issue
Emphasizes the act of bringing up a problem that remains unresolved.
present an unanswered query
Focuses on the aspect of a question that lacks a response or solution.
suggest an unresolved matter
Shifts from a question to a broader issue that has not been settled.
pose a pending inquiry
Highlights the formal aspect of asking a question that is awaiting resolution.
provoke further deliberation
Indicates a call to further consideration and discussion.
generate ongoing debate
Suggests that the issue is causing continuous discussion without a clear resolution.
initiate further investigation
Implies that the situation requires more research or examination.
open the door for speculation
Highlights how the unresolved issue can lead to various theories and guesses.
establish grounds for doubt
Emphasizes the uncertainty and skepticism that the issue creates.
create ambiguity
Focuses on the lack of clarity and the multiple possible interpretations resulting from the unresolved issue.
FAQs
How can I rephrase "leave a question open" in academic writing?
In academic writing, consider using more formal alternatives such as "raise an unsettled issue" or "pose a pending inquiry" to maintain a scholarly tone.
What does it mean to "leave a question open"?
To "leave a question open" means to acknowledge that a certain question or issue has not been fully resolved or answered, implying that further investigation or discussion is needed. It suggests an incomplete understanding of the topic at hand.
Is it appropriate to "leave a question open" in a final report?
Yes, it can be appropriate if the purpose is to acknowledge limitations or suggest avenues for future research. However, ensure it doesn't undermine the credibility of the findings; frame it as an invitation for further exploration rather than a sign of failure to provide conclusive answers.
How does "leave a question open" differ from "raise a question"?
"Raise a question" simply introduces a new point for consideration, whereas "leave a question open" implies that the question has been considered but not fully answered, suggesting ongoing or future inquiry.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested