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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
it is unknown if
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is unknown if" is correct and usable in written English.
You can use it when discussing uncertainty or lack of information regarding a specific situation or outcome. Example: "It is unknown if the new policy will have a significant impact on employee productivity."
✓ Grammatically correct
Science
News & Media
Academia
Wiki
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
However, it is unknown if these effects extend to midlife.
It is unknown if Zuley interrogated other Guantánamo detainees.
News & Media
It is unknown if those items were later sold.
News & Media
(It is unknown if the technique yielded useful intelligence).
News & Media
It is unknown if decreases observed in national antibiotic prescribing differ by provider group.
It is unknown if these biases influence trained decision makers such as pulmonologists.
Science
However, it is unknown if these factors are applicable to Australasian emergency nurses.
Moreover, it is unknown if the WENO-Z scheme should obey the same condition on ε.
It is unknown if and where elephants can be observed.
It is unknown if echocardiography is sufficient to screen for significant PR.
Academia
However, it is unknown if the EOAiCT of the left ventricular outflow tract improves risk stratification.
Academia
Expert writing Tips
Best practice
When using "it is unknown if", ensure that the subject about which information is lacking is clearly defined to avoid ambiguity.
Common error
Avoid using "it is unknown if" when readily available data could provide an answer. Conduct thorough research before stating a lack of knowledge.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is unknown if" functions as an introductory clause expressing uncertainty or a lack of information regarding a particular situation or outcome. As shown in the Ludwig examples, this construction is commonly used to introduce questions or hypotheses in academic, scientific, and news contexts.
Frequent in
Science
62%
Academia
15%
News & Media
12%
Less common in
Wiki
10%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "it is unknown if" is a versatile phrase used to express uncertainty or a lack of knowledge, especially when introducing a question or hypothesis. Ludwig AI indicates that the phrase is grammatically sound and widely used. It appears most frequently in scientific and academic contexts, suggesting a neutral to formal register. When using this phrase, ensure clarity and consider whether readily available information could address the uncertainty. Alternatives like "it remains uncertain whether" or "it's unclear if" can provide stylistic variations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it remains uncertain whether
Emphasizes the continuing state of uncertainty regarding a particular situation.
it is not yet clear if
Highlights that clarity has not been achieved at the current time.
the answer is not known as to whether
More formal and emphatic way of stating that the answer is currently unknown.
it's unclear if
A more concise and informal way to express uncertainty.
the question of whether remains open
Suggests that the question is still under consideration and without a definitive answer.
it's still to be determined if
Indicates that a conclusion or decision has yet to be reached.
it has not been established whether
Emphasizes that a fact or conclusion hasn't been confirmed or proven.
there's no certainty regarding whether
Highlights the absence of any definite knowledge or assurance.
we don't know if
A simple and direct way to admit a lack of knowledge.
the state of X is unknown
Expresses that the status or condition of a specific subject is uncertain.
FAQs
How do I use "it is unknown if" in a sentence?
Use "it is unknown if" to introduce a question or possibility when there is a genuine lack of information. For example, "It is unknown if the treatment will be effective".
What can I say instead of "it is unknown if"?
You can use alternatives like "it remains uncertain whether", "it is not yet clear if", or "it's unclear if" depending on the context.
Is it better to use "it is unknown whether" or "it is unknown if"?
Both "it is unknown if" and "it is unknown whether" are grammatically correct and generally interchangeable. "Whether" is often considered more formal, but "if" is widely accepted in modern usage.
When is it inappropriate to use "it is unknown if"?
Avoid using "it is unknown if" when the information is readily available through simple research or investigation. It's best used when there is genuine uncertainty or a gap in current knowledge.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested