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
uncertainty
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'uncertainty' is correct and usable in written English.
It is a noun, and can be used to refer to a lack of certainty or knowledge, such as when discussing an event that could potentially have an uncertain outcome. For example, "Uncertainty looms as the government prepares to make its decision."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
The uncertainty that's keeping businesses from spending or hiring isn't uncertainty about what Barack Obama is doing or saying.
News & Media
But they don't know for sure and uncertainty nags.
News & Media
Nick Clegg, who has been briefed by the prime minister on the speech, will reject Cameron's pledge to hold a referendum by 2017 on the grounds that it is wrong to commit Britain to such a specific timetable when there is uncertainty over whether negotiations will take place.
News & Media
Amid all the uncertainty one decision could be made on Monday: victory for Rotherham, who play 17th-placed Brighton at home, would mean that by the time Blackpool play Reading on Tuesday the Tangerines would already be relegated.
News & Media
Ofcom's decision, coming a day after the regulator admitted for the first time that it was "very unlikely" that all the local TV stations would succeed, casts further uncertainty over the future of loss-making London Live.
News & Media
Now, that job is made all the harder if we have years of grinding uncertainty because of an ill-defined, protracted renegotiation of Britain's status within the European Union.
News & Media
This uncertainty and the stress it causes affects our ability to offer quality care.
News & Media
There was institutional uncertainty and the team who suited him so well was dismantled.
News & Media
He also warned of the threat to Scotland's booming financial sector from the uncertainty that independence would bring.
News & Media
There was an uncertainty about how these people would be different and whether we would have to modify our behaviour.
News & Media
Apart from opposition in Madrid, one of Mas's biggest difficulties is uncertainty over whether a newly independent Catalonia could remain within the European Union and the euro.
News & Media
Expert writing Tips
Best practice
When writing about future events, quantify the "uncertainty" by providing possible scenarios or ranges of outcomes to give your audience a clearer picture.
Common error
Avoid simply stating there is "uncertainty" without elaborating on what specifically is uncertain. Provide context and details to make your writing more informative.
Source & Trust
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The word "uncertainty" primarily functions as a noun, referring to a state of being uncertain or a lack of sureness about something. Ludwig AI confirms this by showcasing examples from various sources where "uncertainty" acts as the subject or object of a sentence.
Frequent in
News & Media
55%
Formal & Business
25%
Science
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "uncertainty" is a common noun denoting a state of doubt or lack of predictability. As confirmed by Ludwig AI, it's grammatically sound and widely used across diverse contexts, particularly in news, business, and scientific domains. The word appears most frequently in The Guardian and The Economist. To enhance clarity in writing, avoid generic use of "uncertainty"; instead, specify the source and nature of the uncertainty. Alternatives like "lack of certainty" or "state of doubt" can add nuance. Ultimately, mastering the use of "uncertainty" involves understanding its grammatical function and communicative purpose while recognizing its prevalence in both formal and informal discourse.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
lack of certainty
Emphasizes the absence of sureness regarding an outcome or fact.
state of doubt
Highlights the condition of being unsure or skeptical.
unpredictable nature
Focuses on the inability to foresee future events or outcomes.
absence of conviction
Stresses the lack of firm belief or assurance.
tenuousness
Highlights the fragile or shaky nature of a situation.
ambiguousness
Focuses on the quality of being open to more than one interpretation.
dubiousness
Highlights the quality of being suspicious or questionable.
instability
Emphasizes the lack of steadiness or reliability.
a degree of doubt
Highlights the presence of some level of incertitude or skepticism.
vagueness
Focuses on the lack of clarity or precision.
FAQs
How can I use "uncertainty" in a sentence?
"Uncertainty" functions as a noun. For example, "The company faces significant "uncertainty" regarding future regulations".
What's a more formal synonym for "uncertainty"?
A more formal synonym for "uncertainty" is "incertitude", which emphasizes a lack of assurance or predictability.
How does "uncertainty" differ from "risk"?
"Uncertainty" implies a lack of knowledge about potential outcomes, while "risk" involves known probabilities of different outcomes. You can use "risk" when probabilities can be assigned; otherwise, "uncertainty" is more appropriate.
What are some common phrases that include "uncertainty"?
Common phrases include "face "uncertainty"", "amid "uncertainty"", and "reduce "uncertainty"", often used in contexts related to economics, politics, and science.
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
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested