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.
Those two are the veterans in a room that’s filled with unproven talents such as Cam Smith, Storm Duck, Ethan Bonner, Isaiah Johnson and rookies Jason Marshall Jr and BJ Adams. Omar Kelly, Miami Herald, 27 May 2025 Giving an unproven prospect like Matt Shaw the third base job out of spring training was originally a disaster for the Chicago Cubs. Daniel R. Epstein, Forbes.com, 25 May 2025 In our view, the butterfly effect began in the winter of 2024, when Michigan declined to recruit a quarterback from the transfer portal and, instead, leaned into a collection of unproven, marginally-talented options. Jon Wilner, Mercury News, 22 May 2025 Benjamin pointed out that Kennedy has, in fact, seemed to advise people on how to treat measles, leading them toward unproven remedies. Mary Kekatos, ABC News, 14 May 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

Browse Nearby Words

Cite this Entry

“Unproven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unproven. Accessed 4 Jun. 2025.

Legal Definition

unproven

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

More from Merriam-Webster on unproven

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!