disprove

verb

dis·​prove (ˌ)dis-ˈprüv How to pronounce disprove (audio)
disproved; disproven (ˌ)dis-ˈprü-vən How to pronounce disprove (audio) also disproved; disproving; disproves
Synonyms of disprovenext

transitive verb

: to prove to be false or wrong : refute
disprove a theory

Synonyms of disprove

Examples of disprove in a Sentence

Magellan's circumnavigation of the globe disproved any lingering notions that the earth is flat.
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.
The detectives recognized that his heartbeat would disprove his story of running around trying to rescue all of his worldly belongings. ArsTechnica, 8 Apr. 2026 Only after World War II—and over the objections of much of the brass—was the military integrated, and then only after an exhaustive internal investigation disproved racist assumptions that Black troops could only fill menial roles or serve in segregated units. Adam Serwer, The Atlantic, 8 Apr. 2026 Even Birdman, who continues to disprove Malcolm Gladwell’s 10,000 hours theory of expertise with his rapping, gets a rise out of him. Sadie Sartini Garner, Pitchfork, 7 Apr. 2026 His triumphs disproved Nazi dictator Adolf Hitler’s belief in white supremacy. Lorenzino Estrada, AZCentral.com, 31 Mar. 2026 See All Example Sentences for disprove

Word History

Etymology

Middle English, from Anglo-French desprover, from des- dis- + prover to prove

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of disprove was in the 14th century

Browse Nearby Words

Cite this Entry

“Disprove.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disprove. Accessed 17 Apr. 2026.

Kids Definition

disprove

verb
dis·​prove (ˈ)dis-ˈprüv How to pronounce disprove (audio)
: to prove to be false

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