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
remains unidentified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "remains unidentified" is correct and usable in written English.
It can be used in a situation when something or someone has not been identified. For example: "The suspect remains unidentified" or "The cause of the incident remains unidentified".
✓ Grammatically correct
News & Media
Science
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
The remaining 38-40 percent of the total nitrogen remains unidentified.
One hostage remains unidentified.
News & Media
The killer remains unidentified.
News & Media
The artist of the new plates remains unidentified.
Academia
Yet, the driving factor of collagen remodeling remains unidentified.
Science
However, the spot was not concentration dependent and remains unidentified.
PlayHaven fired one of the employees, who remains unidentified.
News & Media
The suspected operational leader of the SRU remains unidentified.
News & Media
The photograph did not show Mr. Bruce, and remains unidentified.
News & Media
A third person, suspected of being an accomplice, remains unidentified.
News & Media
He remains unidentified, and investigators believe he was killed accidentally.
News & Media
Expert writing Tips
Best practice
In formal writing, prefer "remains unidentified" over more casual alternatives like "still unknown" for a more professional tone.
Common error
Avoid using "remains unidentified" in overly casual situations. In informal settings, simpler phrases like "we don't know yet" or "still unknown" might be more appropriate.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "remains unidentified" primarily functions as a descriptive phrase indicating that the identity or nature of something is unknown. Ludwig AI confirms its usability. It commonly modifies a noun, specifying that the subject's identity is yet to be established.
Frequent in
News & Media
45%
Science
45%
Formal & Business
10%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "remains unidentified" serves as a concise and professional indicator of unknown identity or nature. According to Ludwig AI, it is grammatically sound and widely used. It commonly appears in news and scientific contexts, conveying a sense of uncertainty or the need for further investigation. While alternatives exist, "remains unidentified" maintains a formal tone suitable for professional communication. The phrase's common usage is also supported by the multiple examples that Ludwig has provided, showcasing that it has many practical applications.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Identity is still unknown
Focuses on the 'identity' aspect specifically, and uses a more direct structure.
Has not been identified yet
Emphasizes the lack of identification up to the present moment.
Whose identity is yet to be determined
Emphasizes the process of determining identity and its incompleteness.
Lacks identification
Highlights the absence of any identifying information.
The person is still at large
Implies the unidentified subject is evading detection, focusing on their current status.
The source is still obscure
Focuses on the origin or cause being unclear, rather than the identity itself.
The culprit is unknown
Specifically refers to the person responsible for a crime or misdeed.
The details are still pending investigation
Emphasizes that the lack of identification is due to an ongoing investigation.
No one has claimed responsibility
Highlights the lack of accountability or ownership for something.
Remains a mystery
Highlights the enigmatic nature of something that is not understood or known.
FAQs
How can I use "remains unidentified" in a sentence?
You can use "remains unidentified" to indicate that the identity of something or someone is still unknown, as in "The suspect "remains unidentified"" or "The cause of the outbreak "remains unidentified"".
What are some alternatives to saying "remains unidentified"?
Depending on the context, you can use phrases like "still unknown", "identity is still unknown", or "has not been identified yet" as alternatives to ""remains unidentified"".
Is it better to say "remains unidentified" or "is still unidentified"?
"Remains unidentified" is generally preferred in formal writing because it sounds more professional and concise than "is still unidentified".
What does it mean when something "remains unidentified"?
When something ""remains unidentified"", it means that its identity or nature has not yet been determined or discovered.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested