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 still unidentified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is still unidentified" is correct and usable in written English.
You can use it when referring to something or someone that has not yet been recognized or named, often in contexts like investigations or research. Example: "The suspect in the case is still unidentified, leaving authorities with few leads to follow."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
remains unknown
has not been identified
is yet to be determined
remains unidentified
is not yet known
remains unestablished
defies categorization
has yet to be identified
is still unfamiliar
is still uncharted
is still undisclosed
is still unrecognized
is still anonymous
is still unnamed
is still indeterminate
is still uncertain
is still unspecified
is still unknown
is still undetermined
remains unnamed
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
16 human-written examples
Red indicates cancer and green healthy tissue, while yellow shows that a region is still unidentified.
News & Media
The reservoir host of Ebola virus is still unidentified — a lingering mystery — though bats again are suspected.
News & Media
Which brings us to perhaps the strangest thing about the case: five months after Neil Dovestone died, and despite the media coverage, he is still unidentified.
News & Media
The page's creator is still unidentified.
News & Media
However, the binding affinity of BmK IT2 to rat brain synaptosomes was quite low [17], [18] and the specific target is still unidentified.
Science
The actual target cell in the tumour periphery is still unidentified.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
Many are still unidentified.
News & Media
Next to the body, which was still unidentified, was a head in a sack, The Associated Press reported.
News & Media
The victim of the next shooting was still unidentified on Monday evening.
News & Media
Several families have still not found their loved ones after the attack, and 16 bodies are still unidentified.
News & Media
Many of their remains, like those of Mr. Flynn, are still unidentified in killing fields around the country.
News & Media
Expert writing Tips
Best practice
When using "is still unidentified", ensure the context clearly indicates what remains unidentified and why it's significant. Provide enough background information for the reader to understand the implications.
Common error
Avoid using "is still unidentified" excessively in passive constructions, as it can make your writing sound weak. Instead, consider rephrasing to emphasize the actor or process involved in the identification.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is still unidentified" functions as a predicate adjective, describing a subject that has not yet been identified or recognized. As confirmed by Ludwig AI, it's a valid and usable English expression.
Frequent in
Science
60%
News & Media
40%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is still unidentified" serves to indicate a lack of identification or recognition, often implying an ongoing investigative process. As per Ludwig AI's assessment, its usage is grammatically correct. Its function is that of a predicate adjective, commonly used to describe the state of something that is currently unknown. While it appears in various contexts, it is most frequently encountered in scientific and news-related articles. Some alternatives include "remains unknown" and "has not been identified".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
remains unknown
Offers a direct and simple alternative.
is not yet known
Highlights the current state of lacking knowledge.
has not been identified
Uses a passive construction to focus on the action of identifying.
is yet to be determined
Emphasizes the ongoing process of finding an answer.
remains unestablished
Focuses on the lack of proof or confirmation.
escapes identification
Emphasizes the difficulty in pinpointing something.
is yet unconfirmed
Highlights the absence of verification or proof.
is currently obscure
Highlights the lack of clarity surrounding the subject.
is still incognito
Adds a sense of mystery or hidden identity.
defies categorization
Focuses on the inability to classify or label something.
FAQs
What does "is still unidentified" mean?
The phrase "is still unidentified" means that something or someone has not yet been recognized, named, or determined. It suggests an ongoing process of investigation or discovery.
How to use "is still unidentified" in a sentence?
You can use "is still unidentified" when referring to something that hasn't been recognized. Example: "The cause of the disease "is still unidentified", hindering effective treatment development."
What can I say instead of "is still unidentified"?
You can use alternatives like "remains unknown", "has not been identified", or "is yet to be determined" depending on the context.
Which is correct, "is still unidentified" or "remains unidentified"?
Both "is still unidentified" and "remains unidentified" are grammatically correct and can be used interchangeably. The choice depends on stylistic preference, although "remains unidentified" might sound slightly more formal.
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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested