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

transitive verb

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

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
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Evaluations conducted over the last 30 years disprove the old notions that building a big pool of water will keep the water in reserve. Suwanna Gauntlett Upjohn, Forbes.com, 17 Apr. 2025 In an article in The Lancet published the same year as Diamond’s book, researchers reported the idea that 10% of children were the product of a clandestine affair, but complained there were no solid data to either confirm or disprove the figure. Byandrew Curry, science.org, 6 Mar. 2025 Lyttleton identified three possible ways to disprove Saul’s conversion. Dan Miller, Twin Cities, 6 Feb. 2025 Has the increase in football data helped prove or disprove any of these? Michael Cox, The Athletic, 18 Jan. 2025 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 22 Apr. 2025.

Kids Definition

disprove

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

More from Merriam-Webster on disprove

Last Updated: - Updated example sentences
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