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 timing of the declaration comes two weeks after OpenAI publicized one of its AI models as having disproved an 80-year-old mathematical conjecture in geometry. Jeremy Hsu, ArsTechnica, 2 June 2026 There are a number of myths and legends surrounding Wilimowski, both good and bad, that are hard to verify or disprove. Tim Spiers, New York Times, 1 June 2026 Miller’s argument is difficult to disprove. Matt Peterson, CNBC, 27 May 2026 The second takeaway is that humans were apparently focused on trying to prove the conjecture, rather than disproving it. Lance Eliot, Forbes.com, 26 May 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

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Cite this Entry

“Disprove.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disprove. Accessed 5 Jun. 2026.

Kids Definition

disprove

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

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