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.
Ciattarelli’s statements calling out the president for making unproven allegations have been echoed by GOP lawmakers. Ashleigh Fields, The Hill, 9 Oct. 2025 Acetaminophen’s link to autism is unproven. Elizabeth Preston, New York Times, 9 Oct. 2025 These accusations are so far unproven and not grounded in any fact. Marni Rose McFall, MSNBC Newsweek, 6 Oct. 2025 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 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 19 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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