unproven

adjective

un·​prov·​en ˌən-ˈprü-vən How to pronounce unproven (audio)
 British also  -ˈprō-
: 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
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.
Gerl, pointing to online speculation about the legitimacy of the text messages released by federal law enforcement, said that such doubts, even if unproven, could complicate the prosecution’s narrative. Sarah Rumpf-Whitten, FOXNews.com, 2 Oct. 2025 As an example, over the most recent summer, Ko Itakura and Alassane Plea, the team’s best centre-back and most important utility attacker respectively, were both sold, with the squad being reinforced only with cheaper, unproven players. Sebastian Stafford-Bloor, New York Times, 30 Sep. 2025 Altman himself has cautioned that too much money is flooding into unproven AI ventures, while Zuckerberg has compared today’s infrastructure frenzy to past bubbles. Eva Roytburg, Fortune, 29 Sep. 2025 The players the Celtics added to fill those holes were, as Stevens noted, largely unproven at the NBA level. Zack Cox, Boston Herald, 29 Sep. 2025 See All Example Sentences for unproven

Word History

First Known Use

1563, in the meaning defined above

Time Traveler
The first known use of unproven was in 1563

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Cite this Entry

“Unproven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unproven. Accessed 10 Oct. 2025.

Legal Definition

unproven

adjective
un·​prov·​en
ˌən-ˈprü-vən
: not proven
an unproven allegation

More from Merriam-Webster on unproven

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