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
Cost certainty on Kaprizov’s next deal could help finalize terms on Rossi’s contract, but the shifting salary landscape in the NHL amidst unprecedented salary-cap growth has most of the top unrestricted free agents for the class of 2026 playing the waiting game for now.
—
Carol Schram, Forbes.com, 30 July 2025
With under 48 hours until the deadline, the one certainty is that the Red Sox will feel some sense of relief come Thursday night.
—Jen McCaffrey, New York Times, 30 July 2025
However, after months of whipsaw trade policy, planning with any sort of certainty has proven near impossible.
—Vanessa Yurkevich, CNN Money, 29 July 2025
That would make higher inflation a certainty, not merely a possibility.
—Veronique De Rugy, Oc Register, 24 July 2025
See All Example Sentences for certainty
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Carol Schram, Forbes.com, 30 July 2025
With under 48 hours until the deadline, the one certainty is that the Red Sox will feel some sense of relief come Thursday night.
—Jen McCaffrey, New York Times, 30 July 2025
However, after months of whipsaw trade policy, planning with any sort of certainty has proven near impossible.
—Vanessa Yurkevich, CNN Money, 29 July 2025
That would make higher inflation a certainty, not merely a possibility.
—Veronique De Rugy, Oc Register, 24 July 2025
See All Example Sentences for certainty
Cite this Entry
“Certainty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/certainty. Accessed 5 Aug. 2025.
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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