are unknown until

USAGE SUMMARY

The phrase "are unknown until" is correct and usable in written English.
It can be used when discussing information or conditions that will not be revealed or determined until a certain point in time or event occurs. Example: "The results of the experiment are unknown until the final analysis is completed."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

History reminds us that the full scope and scale of genocide are unknown until it has ended.

The New York Times

These generalized correlations have not been applied to ionic liquids before so the appropriateness and accuracy of these models to ionic liquid density estimation are unknown until now.

Fluid Phase Equilibria

The culture results are unknown until days or weeks after surgery, too late to inform intraoperative surgical decisions and immediate postsurgical antibiotic treatment.

Journal of Shoulder and Elbow Surgery

Alexander's subsequent activities are unknown until the reign of Nero, when he served as a staff officer under the prominent general Gnaeus Domitius Corbulo during campaigns against Parthia.

Wikipedia

Because the diagnosis is known in efficacy studies, their results are not applicable to clinical settings where patients' diagnoses are unknown until after the tests are completed and their results interpreted.

BMC Musculoskeletal Disorders

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

Wooden barrels or casks were unknown until the third or second century B.C.

The New York Times - Food

The pictures are of exceptional quality, yet many of them were unknown until now".

Independent

Indeed, person to person transmission of this strain was unknown until this week.

The Economist

Then again, if the likely lawsuits over absentee ballots ensue, the result could be unknown until Thanksgiving dinner.

The New York Times

But in Papua New Guinea, where babies are still fed this way, kissing was unknown until Europeans arrived in the 18th century.

The Guardian - Books

Assange's father's identity was unknown until the Guardian got Australian court files released for this book.

The Guardian

Expert writing Tips

Best practice

Use "are unknown until" to clearly indicate that information is contingent on a future event or discovery. This phrasing sets a clear expectation that knowledge is forthcoming but currently unavailable.

Common error

Avoid using "are unknown until" when immediate knowledge is expected or implied. Overusing this phrase where information should already be available can create confusion or mistrust.

Linguistic Context

The phrase "are unknown until" functions as a qualifying expression, indicating a state of uncertainty that persists up to a specific point in time. Ludwig AI confirms its correctness and usability.

Expression frequency: Rare

Frequent in

News & Media

40%

Science

40%

Wiki

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "are unknown until" is a grammatically sound expression used to indicate that certain information will only become available at a later time. Ludwig AI validates its correctness and usability. While relatively rare in overall usage, it is commonly found in news articles and scientific literature to frame uncertainty. When using this phrase, ensure that the context genuinely implies a future reveal of information and is appropriate for the register.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are uncertain until

Replaces "unknown" with "uncertain", highlighting the lack of certainty rather than complete absence of knowledge.

are not revealed until

Substitutes "unknown" with "not revealed", focusing on the act of disclosure.

are undetermined until

Uses "undetermined" instead of "unknown", suggesting that a decision or calculation is pending.

are unconfirmed until

Indicates that the information lacks verification.

remain a mystery until

Replaces "unknown" with "mystery", emphasizing the enigmatic nature of the information.

are not clear until

Emphasizes the lack of clarity or understanding.

will only be known when

Changes the structure to emphasize the future point of knowing rather than the current state of being unknown.

are obscure until

Highlights the hidden or vague nature of the information.

are concealed until

Focuses on the intentional hiding of information.

are speculative until

Suggests the information is based on conjecture rather than fact.

FAQs

How can I rephrase "are unknown until" to sound more formal?

For a more formal tone, consider using phrases like "remain undisclosed until" or "are not revealed until". These options often suit professional or academic contexts.

What's a simpler way to say "are unknown until"?

You can simplify it to phrases like "will only be known when" or "aren't clear until" for easier understanding.

Is it grammatically correct to say "is unknown until" instead of "are unknown until"?

The correctness depends on the subject. Use "is unknown until" for singular subjects and "are unknown until" for plural subjects or non-countable nouns. For example, "The result is unknown until the test is complete" versus "The results are unknown until the tests are complete".

When should I avoid using "are unknown until" in my writing?

Avoid using "are unknown until" when the information should be readily available. This phrase is best when genuinely indicating that knowledge is contingent on future events or discoveries.