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

Fusion equations meet robotics In nuclear fusion research, Google worked with University of Maryland professor Matt Landreman to identify a broader class of counterexamples to Grad’s conjecture, a mathematical hypothesis dating to 1967. — Neetika Walter, Interesting Engineering, 13 Oct. 2026

Lady Gaga There are also counterexamples of the limitations Method acting often places on women and actors of color. — Laura Zornosa, Los Angeles Times, 9 Oct. 2026

Chicago and other cities are the counterexamples to the claim that the standards were a fool’s errand. — Michael Casserly, Chicago Tribune, 16 Aug. 2026

Against this backdrop, SEVENTEEN’s full thirteen-member renewal was the year’s most conspicuous counterexample. — Hannah Abraham, Forbes.com, 10 Aug. 2026

Word History

First Known Use

1809, in the meaning defined above

Rhymes for counterexample

• hippocampal
• ample
• sample
• trample
• example
• subsample