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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
remains unknown
Grammar usage guide and real-world examplesUSAGE SUMMARY
"remains unknown" is correct and usable in written English.
You can use it when you want to express that something is not known; for example: The motives behind the perpetrator's actions remain unknown.
✓ Grammatically correct
News & Media
Academia
Science
Encyclopedias
Wiki
Alternative expressions(20)
cannot be detained
has no future
cannot be estimated
cannot be maintained
remains unidentified
cannot be analysed
is not yet clear
cannot be consolidated
cannot be assayed
cannot be suggested
remains uncertain
cannot be known
remains unfamiliar
is not maintainable
remains unnamed
cannot be retained
cannot be initiated
is on borrowed time
is yet to be discovered
is open to question
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
Their fate remains unknown.
News & Media
Too much remains unknown.
Academia
Much remains unknown.
Academia
The outcome remains unknown.
News & Media
More remains unknown.
News & Media
Its cause remains unknown.
Encyclopedias
Its fate remains unknown.
News & Media
His motive remains unknown.
News & Media
His fate remains unknown.
News & Media
What remains unknown?
Science & Research
The creative outcome remains unknown.
News & Media
Expert writing Tips
Best practice
Use "remains unknown" when you want to emphasize that something is currently not known, but there's potential for future discovery or clarification.
Common error
Avoid using "remains unknown" when the situation implies speculation rather than a genuine lack of information. Opt for phrases like "is speculated" or "is believed" instead.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "remains unknown" functions as a predicative expression, typically following a subject and a linking verb (often "is" or "remains"). Ludwig AI confirms that this phrase is both correct and commonly used in written English. It serves to attribute a state of unknowability or uncertainty to the subject.
Frequent in
News & Media
31%
Academia
27%
Science
27%
Less common in
Wiki
9%
Encyclopedias
3%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "remains unknown" is a grammatically correct and frequently employed expression to indicate that specific information is currently not known or understood. As confirmed by Ludwig AI, this phrase sees widespread use across various domains, including news, academia, and scientific research. Its neutral register makes it suitable for formal contexts, while alternative phrasing might be preferred for less formal communication. When using this phrase, ensure you aren't merely speculating and genuinely indicating a lack of information. Overall, it's a reliable way to convey uncertainty in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has not been determined
Focuses on the absence of a definitive resolution.
stays unconfirmed
Emphasizes the lack of verification or validation.
is not yet clear
Suggests a lack of clarity or understanding.
is yet to be discovered
Highlights the potential for future revelation.
is still a mystery
Implies an intriguing or puzzling nature.
has not been revealed
Indicates that the information is concealed or undisclosed.
is shrouded in secrecy
Implies deliberate concealment or obscurity.
eludes understanding
Suggests the topic is difficult to grasp or comprehend.
escapes detection
Focuses on the inability to find or identify something.
is beyond comprehension
Implies that the issue is impossible to understand.
FAQs
How can I use "remains unknown" in a sentence?
You can use "remains unknown" to indicate that a piece of information or a cause is not yet discovered or understood. For example, "The motive for the crime "remains unknown"".
What are some alternatives to "remains unknown"?
Alternatives include phrases like "is yet to be discovered", "is still a mystery", or "has not been determined", depending on the specific context.
Is it appropriate to use "remains unknown" in formal writing?
Yes, "remains unknown" is suitable for formal writing. It's a neutral and professional way to state that information is currently unavailable.
What is the difference between "remains unknown" and "is unknown"?
"Remains unknown" implies that something was previously unknown and continues to be so. "Is unknown" simply states that something is currently not known, without necessarily implying a previous state. For example, "His whereabouts "remains unknown" since the incident occurred" emphasizes the ongoing lack of information.
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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