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
as yet unknown
Grammar usage guide and real-world examplesUSAGE SUMMARY
"as yet unknown" is a correct and usable phrase in written English.
You can use it when you are talking about something that is currently not known or understood. For example: "The source of the mysterious illness is as yet unknown."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(19)
as yet unidentified
as yet undetermined
still unclear
as yet unexplored
as still unknown
until now unknown
as yet undiscovered
as yet uncertain
as yet undisclosed
as yet uncharted
as yet anonymous
as yet indeterminate
as yet unrecognized
as yet unspecified
as yet unsung
as yet little known
as yet nameless
as yet unnamed
as yet unfamiliar
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
59 human-written examples
The directors of the other episodes are as yet unknown.
News & Media
The circumstances of her death are as yet unknown.
News & Media
The cause of death is as yet unknown.
News & Media
The real danger is something unseen and as yet unknown.
News & Media
(The mechanisms of this postulated replica are as yet unknown).
Encyclopedias
The cause of the crash is as yet unknown.
News & Media
It is as yet unknown what plans White has for his break from performing.
News & Media
(The condition is controversial, and its causes are as yet unknown).
News & Media
The outcome of the disengagement in Gaza is as yet unknown.
News & Media
Whether they were plain or chocolate-covered is as yet unknown to history.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Many of the owners' marks traced in Footprints are of as-yet unknown people.
Academia
Expert writing Tips
Best practice
Consider stronger verbs to replace "is" or "are" for a more impactful sentence, like "The long-term consequences remain as yet unknown" instead of "The long-term consequences are as yet unknown."
Common error
Avoid using "as yet unknown" in very casual conversations or informal writing. Simpler phrases like "not known yet" or "still unknown" may be more appropriate.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as yet unknown" functions as a pre-modifying adjective phrase. It describes a noun by indicating that something about it is not currently known. Ludwig AI confirms its correct usage.
Frequent in
News & Media
32%
Science
39%
Encyclopedias
4%
Less common in
Academia
2%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "as yet unknown" is a grammatically correct and commonly used adjective phrase that indicates a lack of current knowledge about something. As per Ludwig AI, it is suitable for various contexts, particularly in news, science, and encyclopedic writing. While it's a versatile phrase, simpler alternatives might be more appropriate in informal settings. Remember to use it to express uncertainty and anticipate future discoveries. The most authoritative sources using this phrase include The Guardian, The New York Times, and Encyclopedia Britannica.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as yet unexplored
Focuses on the lack of investigation or discovery.
as still unknown
Emphasizes the continuing state of being unknown.
as yet unidentified
Highlights the lack of identification.
as yet undetermined
Stresses the lack of a final decision or conclusion.
until now unknown
Indicates a state of being unknown up to the present time.
as yet undiscovered
Focuses on the lack of discovery.
as yet uncertain
Highlights the lack of certainty.
as yet undisclosed
Emphasizes the lack of disclosure or revelation.
a still unknown
A more concise version emphasizing the state of being unknown.
as yet uncharted
Emphasizes the lack of mapping or exploration.
FAQs
How can I use "as yet unknown" in a sentence?
Use "as yet unknown" to describe something that hasn't been discovered, identified, or determined. For example, "The long-term effects of the medication are "as yet unknown"".
What's a simpler way to say "as yet unknown"?
You could use phrases like "still unknown", "not yet known", or "undiscovered" depending on the specific context and desired emphasis.
Is it always necessary to include "as yet" before "unknown"?
No, it's not always necessary. Using just "unknown" is often sufficient and more concise. The inclusion of "as yet" adds a slight emphasis on the present state of being unknown and the potential for future discovery.
What are some near synonyms for "as yet unknown"?
Consider alternatives such as "as yet unidentified", "as yet undetermined", or "still unclear" to convey a similar meaning with slightly different nuances.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested