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Definition of counterexample

counterexample

/ˈkaʊn.tɚ.ɪɡˌzæm.pəl/
coun · ter · ex · am · ple
Plural:counterexamples
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counterexample Lexical Profile

counterexample Game Scores & Validity

• noun

1

An example or instance that refutes or disproves a universal proposition, rule, or generalization.

Example

"The mathematician disproved the long-standing conjecture by presenting a single counterexample."

Synonyms
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Antonyms
View all antonyms for counterexample

• Nearby Words

counterdemonstration
counterdemonstrator
counterevidence
counterexample
counterfeit
counterfeiter
counterflow

Cite this Entry

Wordmom. (2026). Definition of Counterexample. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/counterexample
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