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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
uncertainty exists over
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'uncertainty exists over' is correct and usable in written English.
You can use it to talk about a situation where there is doubt or lack of clarity about something. For example, "There is uncertainty exists over how to safely reopen the economy."
✓ Grammatically correct
Science
News & Media
Alternative expressions(11)
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
11 human-written examples
Yet Mr Karzai may have got off lightly: if the ECC had widened the scope of its investigation it would probably have uncovered many more discredited votes.Considerable uncertainty exists over what happens next.
News & Media
Uncertainty exists over the numbers and locations of STS because registration is not fully implemented in all regions.
As noted in Overview of industry 4.0 section considerable uncertainty exists over whether or how quickly the world might move into the fourth industrial revolution.
However, considerable uncertainty exists over the persistence of symptoms.
Uncertainty exists over the importance of device-detected short-duration atrial arrhythmias.
Science
Uncertainty exists over who should initiate the fertility discussion (Thewes et al, 2005; King et al, 2008).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
However, for most categories of STP (other than dispersable products, for which complete ingestion can be assumed), uncertainties exist over the extent of extraction of individual radionuclides into saliva.
Science
It is obvious that a high uncertainty exists when estimating impact specific indicator values over operation times of decades.
Beyond the dispute over the measure's effect on construction, other uncertainty exists as well.
News & Media
Although the data were statistically consistent with linearity over the full dose range in this study, considerable uncertainty exists about the shape of the dose-response curve in the low dose range.
Science
Uncertainty still exists over the optimal blood pressure, the amount of cerebral blood flow, the hemoglobin level, the blood glucose regulation, and the partial pressure of arterial carbon dioxide (PaCO2) and now also over the PaO2.
Science
Expert writing Tips
Best practice
When using "uncertainty exists over", ensure that the subject of the uncertainty is clearly defined to avoid ambiguity. Be specific about what aspect is uncertain.
Common error
While grammatically correct, "uncertainty exists over" can sound overly formal in casual conversation. Consider using simpler alternatives like "we don't know" or "it's unclear" in less formal settings.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "uncertainty exists over" functions as an impersonal expression of doubt. It introduces a topic where the outcome or details are not yet clear or fully understood. As confirmed by Ludwig AI, the phrase is grammatically correct and usable in written English.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "uncertainty exists over" is a grammatically sound and usable expression for indicating a lack of clarity or a state of doubt concerning a particular topic. Ludwig AI confirms its correctness. While versatile, it leans towards formal and professional contexts, frequently appearing in science and news media. For more casual settings, simpler alternatives might be more appropriate. Remember to be specific about the subject of the uncertainty to avoid ambiguity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
doubt remains regarding
Focuses on the presence of doubt rather than a general uncertainty.
ambiguity surrounds
Implies a lack of clear definition or explanation.
it is unclear whether
Directly questions a specific outcome or situation.
questions linger about
Suggests unresolved issues that continue to be asked.
the situation is uncertain
A more general statement about the lack of predictability.
the future is unclear regarding
Emphasizes uncertainty about future developments.
vagueness prevails concerning
Highlights the lack of precision or detail.
clarity is lacking with respect to
Points out the absence of clear information or understanding.
the picture is murky regarding
Uses a metaphor to describe the lack of clear information.
unknown factors influence
Acknowledges the presence of unidentified elements affecting a situation.
FAQs
How can I use "uncertainty exists over" in a sentence?
You can use "uncertainty exists over" to indicate a lack of clarity or a doubt regarding a specific issue. For example, "Uncertainty exists over the long-term effects of the new policy".
What are some alternatives to "uncertainty exists over"?
Alternatives include phrases like "doubt remains regarding", "it is unclear whether", or "ambiguity surrounds", depending on the specific nuance you want to convey.
Is it better to say "uncertainty exists over" or "there is uncertainty about"?
Both phrases are grammatically correct and convey a similar meaning. "Uncertainty exists over" may sound slightly more formal, while "there is uncertainty about" is generally more common in everyday language.
What kind of topics is "uncertainty exists over" typically used to describe?
"Uncertainty exists over" is often used to describe situations in politics, science, or economics where outcomes are not yet known or predictions are unreliable. The phrase suggests a notable lack of clarity or consensus.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested