un·​prov·​en | \ ˌən-ˈprü-vən How to pronounce unproven (audio) , British also -ˈprō- \

Definition of unproven

: not tested and shown to be good, true, or useful : not proven an unproven allegation/theory unproven benefits unproven technology

Examples of unproven in a Sentence

Recent Examples on the Web Challenging the dominance of Toyota and Volkswagen with an unproven business model focused on e-vehicles and autonomous driving is testament to this. Christian Stadler, Forbes, "Why Atypical CEOs Have An Edge," 25 Feb. 2021 As a result, the Buckeyes trusted struggling veterans over promising yet unproven young players at multiple positions. Nathan Baird, cleveland, "Ohio State football has no choice but to trust young talent more in 2021," 25 Feb. 2021 Kennedy, with a huge following on social media, frequently posts debunked or unproven claims about vaccines. San Francisco Chronicle, "Coronavirus updates from the Bay Area: Feb. 11-17, 2021," 25 Feb. 2021 The most advanced vaccines have been introduced by newcomers to the vaccine market using previously unproven technologies that can be designed and manufactured more quickly than conventional options. Peter Loftus, WSJ, "Novavax Nears Covid-19 Vaccine Game Changer—After Years of Failure," 23 Feb. 2021 The Wall Street Journal reported that the suit alleges Lindell harmed the company’s brand by disparaging the integrity of its machines by pushing unproven claims that they were used to steal the November election from Trump. al, "MyPillow CEO Mike Lindell sued by Dominion voting systems for $1.3 billion over Trump election fraud ‘lie’," 22 Feb. 2021 And with Pederson replaced by an unproven coach, Nick Sirianni, who made a horrible first impression during his introductory news conference in late January. Jarrett Bell, USA TODAY, "Opinion: Ex-Eagles coach Doug Pederson takes the biggest 'L' in Carson Wentz exchange," 19 Feb. 2021 Trump has been a vocal skeptic of science, promoting unproven drugs like hydroxychloroquine and repeatedly asserting that the coronavirus would go away on its own. Zeke Miller, Star Tribune, "Plunged into virus 'dark winter,' Biden must lead US out," 19 Jan. 2021 Despite President-elect Joseph R. Biden Jr.’s certification as the winner, Mr. Giuliani has continued to push unproven theories about the election results and falsely attributed the violence to anarchists on the left. New York Times, "After 2 Impeachments, Giuliani Vows to Continue His Fervor for Trump," 14 Jan. 2021

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

1563, in the meaning defined above

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Time Traveler for unproven Time Traveler

The first known use of unproven was in 1563

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Statistics for unproven

Last Updated

28 Feb 2021

Cite this Entry

“Unproven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unproven. Accessed 9 Mar. 2021.

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More Definitions for unproven



English Language Learners Definition of unproven

: not tested and shown to be true, good, or useful


un·​prov·​en | \ ˌən-ˈprü-vən \

Legal Definition of unproven

: not proven an unproven allegation

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