un·​proved | \ ˌən-ˈprüvd How to pronounce unproved (audio) \

Definition of unproved

: not proved : unproven an unproved allegation/assertion a drug whose supposed benefits are unproved

Examples of unproved in a Sentence

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By the mid-1990s, all the quarks had been accounted for experimentally except the top quark, and by the early 2010s, the main remaining unproved ingredient was the Higgs boson, named after the British theoretical physicist Peter Higgs. Karen Weintraub, New York Times, "Homer A. Neal, Leader in Physics Who Explored Matter, Dies at 75," 8 June 2018 Chevron and other large American oil companies are investing in carbon capture and sequestration to bury greenhouse gases or produce new fuels, though such technologies are expensive and unproved on a large scale. Clifford Krauss, BostonGlobe.com, "US oil companies find energy independence isn’t so profitable," 30 June 2019 Thomas’s gentle diffidence, and his director’s fiercely rigorous style, leave his motives denser than unproved sourdough. Ofir Raul Graizer, New York Times, "Review: A German ‘Cakemaker’ and an Israeli Widow Share Loss and Cookies," 28 June 2018 The torrent of unproved accusations gave Mr. Zuma and his allies enough ammunition to grab control over another prize — the state coffers in the National Treasury. New York Times, "Corruption Gutted South Africa’s Tax Agency. Now the Nation Is Paying the Price.," 10 June 2018 But judges must weigh the value of such unproved claims against the threat of unfairly turning a jury against the accused. Jeremy Roebuck, Philly.com, "Bill Cosby's lawyers, fearing #MeToo backlash, fight to keep 19 other accusers out of court," 6 Mar. 2018 Popular Vietnamese Web sites mix unproved medical claims with luxury sales pitches. Jeremy Hsu, Scientific American, "The Hard Truth about the Rhino Horn “Aphrodisiac” Market," 5 Apr. 2017 But Peraza is unproved both defensively and offensively. John Fay, Cincinnati.com, "Cincinnati Reds notes: Nick Senzel is the backup plan shortstop — with a caveat," 20 Feb. 2018 Carbon capture — where CO2 is pulled out of the atmosphere and somehow stored — is unproved and unlikely to undo the level of pollution. Jon Talton, The Seattle Times, "The cost of carbon: Pay now or pay later," 17 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unproved.' 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 unproved

15th century, in the meaning defined above

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23 Jul 2019

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The first known use of unproved was in the 15th century

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un·​proved | \ ˌən-ˈprüvd\

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