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 yet known
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is yet known" is correct and usable in written English.
This phrase is typically used to express that something is still not known or hasn't been discovered. For example, "The reason for the crash is yet known."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
is yet to be acknowledged
is ever known
is yet to be resolved
is still to be determined
is yet to be detected
is yet to be calculated
is not fully understood
is yet to be identified
is really known
has not been decided
is now known
is still uncertain
is unfortunately known
is contingent upon
is yet to be fixed
are still to be discovered
is yet to be determined
is not yet clear
is indeed known
has not been found
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
Little is yet known of the gunmen or their motivations.
News & Media
Too little is yet known about the causes.
News & Media
Certainly, no one is yet known to have caught NT-MRSA from eating infected meat.
News & Media
Little is yet known about the new, Socialist P.M., Giuliano Amato.
News & Media
No structure of any member of the YbaJ-superfamily is yet known.
Science & Research
Nothing certain is yet known about who planted the bombs that exploded yesterday.
News & Media
No cause is yet known for any of these diseases, and no cure is available.
Encyclopedias
Little is yet known about the scale of destruction outside the city.
News & Media
Little is yet known about the upbringings and inner dynamics of either of the sniper suspects.
News & Media
Although much has been written about the meanings of 'landscape', little is yet known about local landscape discourses in Germany.
Science
However, not enough is yet known to design specific clinical care practices that support a healthy microbiota.
Science
Expert writing Tips
Best practice
Use "is yet known" to acknowledge gaps in current knowledge, especially when introducing research questions or discussing areas needing further investigation.
Common error
Avoid using "is yet known" when discussing highly speculative or fringe topics where the lack of evidence is already strongly implied. Use it primarily when addressing legitimate gaps in established areas of knowledge.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is yet known" functions as a declarative statement expressing a lack of current knowledge or understanding about a specific subject. As Ludwig AI points out, it is grammatically correct and commonly used across various domains to acknowledge gaps in information.
Frequent in
Science
63%
News & Media
27%
Encyclopedias
7%
Less common in
Wiki
2%
Formal & Business
1%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "is yet known" is a grammatically sound and frequently used expression to denote that information regarding a specific subject is currently missing or undiscovered. As Ludwig AI confirms, it's suitable for both formal and informal contexts, although more prevalent in scientific and news-related sources. When writing, it's best to use this phrase when acknowledging legitimate gaps in established areas of knowledge and avoid overusing it in speculative contexts. Alternative phrases, such as "remains unknown" or "has not been discovered", can be used to add variety to your writing. Always ensure that the phrase fits the register of your piece, being more suited to formal writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
remains unknown
Focuses on the continuing state of being unknown.
has not been discovered
Emphasizes the absence of a finding or uncovering of information.
is still uncertain
Highlights the lack of definitive knowledge or clarity.
is not yet clear
Similar to 'is still uncertain' but focuses on a lack of clarity.
is not fully understood
Focuses on the incompleteness of existing knowledge.
is still to be determined
Indicates that the information requires future investigation.
remains to be seen
Suggests that the answer will become apparent over time.
is shrouded in mystery
Implies a deeper obscurity or lack of understanding.
is a matter of speculation
Suggests that any understanding is based on conjecture rather than fact.
is beyond our current understanding
Highlights the limitations of present knowledge.
FAQs
How can I use "is yet known" in a sentence?
You can use "is yet known" to indicate that a piece of information is currently unknown or has not been discovered. For example, "The long-term effects of the medication "are yet known"."
What phrases are similar to "is yet known"?
Alternatives to "is yet known" include "remains unknown", "has not been discovered", or "is still uncertain". The best choice depends on the specific nuance you want to convey.
Is "is yet known" formal or informal?
"Is yet known" is suitable for both formal and informal contexts, although it is more commonly found in formal writing such as academic papers or news reports.
What is the difference between "is yet known" and "is unknown"?
"Is unknown" simply states that something is not known. "Is yet known" implies that something is currently not known, but there is an expectation or possibility that it will be known in the future.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested