counterexample
noun
coun·ter·ex·am·ple
ˈkau̇n-tər-ig-ˌzam-pəl 
: an example that refutes or disproves a proposition or theory
Examples of counterexample in a Sentence
Recent Examples on the Web
The Pop-Tarts Bowl has successfully navigated a thin line between viral marketing and gratuitous gimmick in recent years, providing a sprinkle-laden counterexample to those who fear non-College Football Playoff bowl games will crumble in this new reality of professionalized college football.
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Eben Novy-Williams, Sportico.com, 27 Dec. 2025
But as soon as something is incorrect, the SAT solver can give counterexamples back — ideally, the smallest counterexample.
—Quanta Magazine, 10 Nov. 2025
Twisted Mysteries The counterexample Brittenham and Hermiller found is built out of two copies of a knot called the (2, 7) torus knot.
—Leila Sloman, Wired News, 8 Nov. 2025
One of the apparent counterexamples is easy to explain, the tearjerker.
—Big Think, 23 Sep. 2025
See All Example Sentences for counterexample
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Eben Novy-Williams, Sportico.com, 27 Dec. 2025
But as soon as something is incorrect, the SAT solver can give counterexamples back — ideally, the smallest counterexample.
—Quanta Magazine, 10 Nov. 2025
Twisted Mysteries The counterexample Brittenham and Hermiller found is built out of two copies of a knot called the (2, 7) torus knot.
—Leila Sloman, Wired News, 8 Nov. 2025
One of the apparent counterexamples is easy to explain, the tearjerker.
—Big Think, 23 Sep. 2025
See All Example Sentences for counterexample
Cite this Entry
“Counterexample.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterexample. Accessed 3 Jan. 2026.
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