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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
unresolved problem that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unresolved problem that" is correct and usable in written English.
It can be used when discussing an issue or challenge that has not yet been solved or addressed. Example: "The researchers are focusing on an unresolved problem that has significant implications for the field of study."
✓ Grammatically correct
Science
News & Media
Alternative expressions(19)
pending issue that
outstanding matter that
unsettled question that
pending issue
pending legislation Sen
pending employment
subject to publication
pressing issue
open item
alarming development
pending releases
pending appeal
issue under consideration
before implementation
lingering issue
prevailing issue
unresolved issues
pending items
concerning problem
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
2 human-written examples
Renal I/R injury remains an unresolved problem that has immediate and deleterious effects in both native and transplanted kidneys [ 17].
Hepatic I/R injury still remains an unresolved problem that has immediate and deleterious effects on the outcome of patients after liver surgery.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
PARIS — European finance ministers said on Saturday that they had moved closer to a comprehensive solution for the debt crisis during a two-day gathering of officials from the Group of 20 industrial nations, despite a number of unresolved problems that could still widen the scope of the crisis.
News & Media
The last American combat troops departed in December, 2011, leaving behind an array of unresolved problems that, after a period of relative calm, have begun to burgeon again.
News & Media
And then turn to Megan McArdle's piece on the absolute necessity of Thatcher's reforms, the unsustainability of the union-suffocated late-'70s world they overthrew — but also the unresolved problems that her neoliberalism left behind: The Britain that she bequeathed to the world is a very different place.
News & Media
There were too many unresolved problems that he felt he was on the cusp of solving.
Science & Research
Also, the unresolved problem(s) that prevented me from getting work experience as an undergraduate are still with me today: I was diagnosed with Asperger's syndrome after I was fired from a previous job.
Science & Research
"The conquest of the too-big-to-fail problem is a major unresolved problem and that's what I would like to see George Osborne focus on".
News & Media
An unresolved problem is that we do not have data on the number of women who discontinued their antidepressant therapy to initiate herbal treatments for depression, such as St John's Wort.
An unresolved problem is that although these techniques produce an optimal partitioning of pairs of records based on the match weights, the resulting partitions may not correspond exactly to matches and non-matches.
The authors, like many others, recognize the importance of unresolved social problems that have translated into unacceptable inequities.
Expert writing Tips
Best practice
When using "unresolved problem that", ensure the context clearly indicates what attempts, if any, have been made to resolve the problem. This adds depth and clarity to your writing.
Common error
Avoid using "unresolved problem that" when some progress has been made towards a solution. Instead, consider phrases like "partially addressed problem" or "ongoing challenge" to more accurately reflect the situation.
Source & Trust
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unresolved problem that" functions as a modifier to introduce or describe a problem or issue that has not been resolved. It typically leads into further explanation or consequences of this lack of resolution. Ludwig AI confirms its correct usage.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "unresolved problem that" is grammatically sound and serves to introduce issues that lack resolution. Ludwig AI confirms this. While not overly frequent, its use is common in both scientific and news contexts, indicating its adaptability across different registers. When using this phrase, clarity is key: ensure the context specifies what attempts have been made to address the problem. Alternatives such as "outstanding issue that" or "pending question that" can offer nuanced variations. Recognizing common errors, like overstating the 'unresolved' nature, can further refine your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
unresolved difficulty that
Simply uses a synonym, "difficulty", for "problem", maintaining the core meaning.
outstanding issue that
Focuses on the issue remaining to be dealt with.
unsettled matter that
Emphasizes the lack of a final decision or agreement.
pending question that
Highlights the interrogative or uncertain nature of the problem.
lingering difficulty that
Suggests a problem that persists over time.
remaining challenge that
Focuses on the difficulty and effort still required.
persistent issue that
Highlights the continuous nature of the issue.
ongoing concern that
Emphasizes the continuous worry or significance of the problem.
unaddressed dilemma that
Indicates a problem that has not been confronted or dealt with.
unanswered question that
Highlights a question that has not been answered yet.
FAQs
How can I use "unresolved problem that" in a sentence?
You can use "unresolved problem that" to introduce a challenge or issue that hasn't been solved. For example, "The budget deficit remains an "unresolved problem that" requires immediate attention".
What are some alternatives to "unresolved problem that"?
Alternatives include "outstanding issue that", "pending question that", or "lingering difficulty that", depending on the specific nuance you want to convey.
Is it better to say "unresolved issue that" or "unresolved problem that"?
Both "unresolved issue that" and "unresolved problem that" are grammatically correct and largely interchangeable. The choice depends on personal preference and the specific context, though "problem" might imply a need for a more immediate solution.
What's the difference between "unresolved problem" and "unsolved problem"?
While similar, "unresolved problem" often suggests a lack of action or consensus in addressing the problem, whereas "unsolved problem" simply means that a solution hasn't been found yet. "Unresolved" implies more about the process or willingness to address something, whereas "unsolved" focuses on the state of having no solution.
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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
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested