certainty
noun
cer·tain·ty
ˈsər-tᵊn-tē 
plural certainties
1
: something that is certain
2
: the quality or state of being certain especially on the basis of evidence
Examples of certainty in a Sentence
Scientists still do not know with any degree of certainty why the disease spread so quickly.
We cannot predict the outcome with absolute certainty.
There was no certainty that the package would arrive in time.
Her certainty about these complex moral issues is surprising.
Recent Examples on the Web
On platforms like PredictIt, traders have overwhelmingly favored Fuller, with confidence hovering near certainty levels in recent days.
—
Zachary Bynum, CBS News, 8 Apr. 2026
The flashbacks to Emma’s adolescence, which Borgli films with some curiosity, are far more engaging than the film’s depictions of the chatty Boston bourgeoisie, which exude self-satisfied certainty.
—Richard Brody, New Yorker, 7 Apr. 2026
For that to happen, though, Agnes — like all the Plums — must be gifted by God with her period, which isn’t a certainty these days.
—Tribune News Service, Baltimore Sun, 7 Apr. 2026
Here, there is only one certainty — the evil of the Empire — but beyond that, things aren’t as clear-cut.
—Rafael Motamayor, IndieWire, 6 Apr. 2026
See All Example Sentences for certainty
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Zachary Bynum, CBS News, 8 Apr. 2026
The flashbacks to Emma’s adolescence, which Borgli films with some curiosity, are far more engaging than the film’s depictions of the chatty Boston bourgeoisie, which exude self-satisfied certainty.
—Richard Brody, New Yorker, 7 Apr. 2026
For that to happen, though, Agnes — like all the Plums — must be gifted by God with her period, which isn’t a certainty these days.
—Tribune News Service, Baltimore Sun, 7 Apr. 2026
Here, there is only one certainty — the evil of the Empire — but beyond that, things aren’t as clear-cut.
—Rafael Motamayor, IndieWire, 6 Apr. 2026
See All Example Sentences for certainty
Cite this Entry
“Certainty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/certainty. Accessed 8 Apr. 2026.
Copy CitationKids Definition
certainty
noun
cer·tain·ty
ˈsərt-ᵊn-tē
plural certainties
1
: something certain
2
: the quality or state of being or feeling certain
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