uncertainty

noun

un·​cer·​tain·​ty ˌən-ˈsər-tᵊn-tē How to pronounce uncertainty (audio)
1
: the quality or state of being uncertain : doubt
2
: something that is uncertain
Choose the Right Synonym for uncertainty

uncertainty, doubt, dubiety, skepticism, suspicion, mistrust mean lack of sureness about someone or something.

uncertainty may range from a falling short of certainty to an almost complete lack of conviction or knowledge especially about an outcome or result.

assumed the role of manager without hesitation or uncertainty

doubt suggests both uncertainty and inability to make a decision.

plagued by doubts as to what to do

dubiety stresses a wavering between conclusions.

felt some dubiety about its practicality

skepticism implies unwillingness to believe without conclusive evidence.

an economic forecast greeted with skepticism

suspicion stresses lack of faith in the truth, reality, fairness, or reliability of something or someone.

regarded the stranger with suspicion

mistrust implies a genuine doubt based upon suspicion.

had a great mistrust of doctors

Examples of uncertainty in a Sentence

There is some uncertainty about the company's future. He accepted the position without hesitation or uncertainty.
Recent Examples on the Web Dawn Staley, the current coach at South Carolina and national coach at the time, cited uncertainty over a knee injury as the reason Ogwumike was not chosen. Alex Abad-Santos, Vox, 11 June 2024 This means polling averages can change by a few decimal places day to day — and probabilities may jitter by around a point, which cascades down into uncertainty in our model. G. Elliott Morris, ABC News, 11 June 2024 All that uncertainty seems to be having a psychological effect on the industry’s leaders and workers, with mounting concerns coming to the fore as Hollywood crew member unions negotiate with studios for better pay and treatment. Ryan Faughnder, Los Angeles Times, 11 June 2024 Macron bets the house By calling the vote, Macron has plunged the country into a state of political uncertainty. Yasmeen Serhan, TIME, 10 June 2024 See all Example Sentences for uncertainty 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'uncertainty.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of uncertainty was in the 14th century

Dictionary Entries Near uncertainty

Cite this Entry

“Uncertainty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uncertainty. Accessed 18 Jun. 2024.

Kids Definition

uncertainty

noun
un·​cer·​tain·​ty ˌən-ˈsərt-ᵊn-tē How to pronounce uncertainty (audio)
1
: lack of certainty
2
: something that is uncertain

More from Merriam-Webster on uncertainty

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