counterexample

noun

coun·​ter·​ex·​am·​ple ˈkau̇n-tər-ig-ˌzam-pəl How to pronounce counterexample (audio)
: an example that refutes or disproves a proposition or theory

Examples of counterexample in a Sentence

Recent Examples on the Web
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Cipriani cites the go-to Hollywood crisis communications advisers Mike Sitrick and Matthew Hiltzik (the latter now represents Shell) as counterexamples to his own approach. Gary Baum, HollywoodReporter, 2 Apr. 2026 In an era when our attention is endlessly fragmented, the lives of super-readers offer a quiet counterexample. Literary Hub, 2 Apr. 2026 In other words, a counterexample to the lonely runner conjecture couldn’t exist — at least, not for eight runners. Quanta Magazine, 6 Mar. 2026 Menendez is one counterexample, and Epstein himself was a billionaire who died in a jail cell, after all. Adam Serwer, The Atlantic, 26 Feb. 2026 See All Example Sentences for counterexample

Word History

First Known Use

1809, in the meaning defined above

Time Traveler
The first known use of counterexample was in 1809

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Cite this Entry

“Counterexample.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterexample. Accessed 21 Apr. 2026.

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