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
uncertain significance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "uncertain significance" is correct and usable in written English.
It can be used in contexts where the importance or relevance of something is ambiguous or not clearly defined. Example: "The results of the study showed an uncertain significance, making it difficult to draw definitive conclusions."
✓ Grammatically correct
Science
Academia
News & Media
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
All clinically reported variants, both clinically significant findings and variants of uncertain significance (VUS), were selected for confirmation.
Science
Variants of uncertain significance (VUS) are in italics.
Science & Research
Notable are the various dragons of east and west – creatures of enormous power but uncertain significance.
News & Media
Millot, G. A. et al. A guide for functional analysis of BRCA1 variants of uncertain significance.
Science & Research
Screening with gene panels does not, however, eliminate the problem of variants of uncertain significance.
Academia
Other peoples, especially the Bari, also made figures; these are of uncertain significance.
Encyclopedias
Variants of Uncertain Significance (VUS) are genetic variants whose association with a disease phenotype has not been established.
Science & Research
Thereby, a number of newly identified nucleotide variants are falsely classified as VUS (a variant of uncertain significance).
Science & Research
Papadakis, M. et al. Sudden cardiac death with autopsy findings of uncertain significance: potential for erroneous interpretation.
Science & Research
Each of the 141 women in the study had about two variants of uncertain significance in the 42 genes studied.
Academia
Indeterminate pulmonary nodules (IPN) are of uncertain significance in patients with renal cell carcinoma.
Science
Expert writing Tips
Best practice
When using "uncertain significance", clearly articulate the specific factors contributing to the uncertainty. Provide context to help the reader understand why the significance is not yet fully determined.
Common error
Avoid drawing definitive conclusions or making strong claims when the significance is explicitly stated as "uncertain". Premature interpretations can mislead the audience.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "uncertain significance" functions as a noun phrase that describes a state of ambiguity or lack of definitive understanding regarding the importance or relevance of something. It often appears in contexts where further investigation or clarification is needed, as evidenced by Ludwig's examples.
Frequent in
Science
60%
Academia
20%
News & Media
10%
Less common in
Encyclopedias
2%
Wiki
1%
Formal & Business
7%
Ludwig's WRAP-UP
The phrase "uncertain significance" is a grammatically correct and frequently used term across various fields, particularly in science, academia, and medicine. As Ludwig highlights, it's used to describe situations where the importance or impact of something is not yet fully understood or defined. While it's generally suitable for formal and scientific contexts, it's essential to avoid overstating conclusions when using this phrase. Alternatives like "ambiguous significance" or "doubtful significance" can be used depending on the specific nuance you wish to convey. A key takeaway is to clearly articulate the reasons behind the uncertainty to provide context for the reader.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
ambiguous significance
Emphasizes the possibility of multiple interpretations or a lack of clear meaning.
doubtful significance
Suggests skepticism about the importance or relevance of something.
unknown significance
Highlights the absence of information regarding the importance or impact.
indeterminate significance
Implies that the significance is not fixed or cannot be precisely determined.
unclear importance
Focuses directly on the lack of clarity regarding how important something is.
questionable relevance
Raises doubts about whether something is pertinent or applicable.
tenuous connection
Suggests a weak or insubstantial link, implying uncertain importance.
debatable value
Indicates that the worth or merit is subject to disagreement.
unestablished importance
Highlights that the relevance or value hasn't been proven or widely recognized.
speculative meaning
Emphasizes that the meaning is based on conjecture rather than established fact.
FAQs
How can I use "uncertain significance" in a sentence?
You can use "uncertain significance" to describe situations where the importance or relevance of something is not yet clear. For example, "The study's findings had an "uncertain significance", requiring further investigation".
What's a good alternative to "uncertain significance"?
Depending on the context, you could use phrases like "ambiguous significance", "doubtful significance", or "unknown significance".
Is it appropriate to use "uncertain significance" in formal writing?
Yes, "uncertain significance" is suitable for formal writing, especially in academic and scientific contexts where acknowledging uncertainty is crucial for transparency and accuracy.
What does it mean when a genetic variant is described as having "uncertain significance"?
In genetics, a "variant of "uncertain significance"" (VUS) indicates that the association between the genetic change and a particular disease or phenotype has not yet been established.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested