counterfactual

adjective

coun·​ter·​fac·​tu·​al ˌkau̇n-tər-ˈfak-chə-wəl How to pronounce counterfactual (audio)
-chəl,
-shwəl,
-chü-əl
: contrary to fact
counterfactual assumptions

Examples of counterfactual in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
What-If Tool, counterfactual evaluation for outcome assessment and outcome bias assessment. Trushant Mehta, Forbes.com, 15 Aug. 2025 In an era where many of the thought-leaders and decision-makers in our global society refuse to accept the actual facts of reality, and instead argue from a counterfactual position that supports their preferred narrative, this isn’t just a problem for practicing scientists. Ethan Siegel, Big Think, 13 Aug. 2025 Ferguson, who has published a collection of counterfactual histories, is an outlier among academics. Daniel Immerwahr, New Yorker, 4 Aug. 2025 Now consider a counterfactual scenario, in which Russia attacked only the Donbas region of Ukraine in 2022. Tanisha M. Fazal, Foreign Affairs, 21 Mar. 2025 See All Example Sentences for counterfactual

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of counterfactual was in 1946

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Cite this Entry

“Counterfactual.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterfactual. Accessed 11 Sep. 2025.

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