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.
This leaves many government leaders concerned that risking essential public services for rapid, unproven tech deployment could lead to misguided implementation. Dean Debiase, Forbes.com, 14 July 2025 Ike Howard is an unproven goal-scoring left winger who has a chance to enter the league in the best possible situation for his player type. Allan Mitchell, New York Times, 11 July 2025 The North American Menopause Society urges caution when using unproven supplements or supplements with limited data.1 Keep in mind that supplements are regulated differently than prescription medications. Jessica Swirble, Verywell Health, 10 July 2025 The governor and Legislature claimed the revisions were necessary to prevent the undue influence of national interest groups and unproven allegations of voter fraud. Mark Dorosin, The Orlando Sentinel, 9 July 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 20 Jul. 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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