dis·​prove | \(ˌ)dis-ˈprüv \

Definition of disprove 

transitive verb

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

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Other Words from disprove

disprovable \-​ˈprü-​və-​bəl \ adjective

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

Neither adage proves nor disproves the claims of a highly sophisticated supply-chain attack infiltrating the world’s most powerful organizations. Dan Goodin, Ars Technica, "Bloomberg report says backdoored Supermicro hardware infiltrated major US telecom," 9 Oct. 2018 But the burden is not on you to disprove the allegations made. Alvin Chang, Vox, "Every time Ford and Kavanaugh answered the question — and didn't answer the question," 28 Sep. 2018 But so far, none of these high-profile stories have offered sufficient evidence to disprove the allegations against these men. Jill Filipovic, Time, "It’ll Never Be the Right Time for Famous Sexual Predators to Make Their Comebacks," 10 May 2018 Leonard and Raj bring their findings to Howard, who confirms that in 1978 a Russian scientist already disproved SA. Jessica Radloff, Glamour, "The Big Bang Theory Season 12, Episode 9 Recap: Amy and Sheldon's Project Falls Apart," 15 Nov. 2018 Its political value is that it cannot be disproved. Daniel Henninger, WSJ, "What Democrats Have Become," 19 Sep. 2018 And finally, looking at the cancer research, the only systematic review of alkaline water for cancer treatment found there is almost no actual research to either support or disprove its use. SELF, "What Even Is Alkaline Water and Is It Really Better Than Regular Water?," 6 Sep. 2018 The calendars do not disprove Dr. Blasey’s allegations, Judge Kavanaugh’s team acknowledged. Chris Stirewalt, Fox News, "Moral anchors aweigh on Kavanaugh, Rosenstein," 24 Sep. 2018 But no one wants to admit it, so our brains search for examples that disprove the accusation. Nell Scovell, Time, "Letterman Veteran Nell Scovell: There's Nothing Funny About How Women Are Treated in Comedy," 23 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disprove.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of disprove

14th century, in the meaning defined above

History and Etymology for disprove

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

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Statistics for disprove

Last Updated

14 Dec 2018

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Time Traveler for disprove

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

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More Definitions for disprove



English Language Learners Definition of disprove

: to show that (something) is false or wrong


dis·​prove | \dis-ˈprüv \
disproved; disproving

Kids Definition of disprove

: to show to be false or wrong Scientists disproved the theory.

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More from Merriam-Webster on disprove

Thesaurus: All synonyms and antonyms for disprove

Spanish Central: Translation of disprove

Nglish: Translation of disprove for Spanish Speakers

Britannica English: Translation of disprove for Arabic Speakers

Comments on disprove

What made you want to look up disprove? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

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