unproven

adjective

un·​prov·​en ˌən-ˈprü-vən How to pronounce unproven (audio)
British also -ˈprō-
Synonyms of unprovennext
: 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.
The allegations against him remain unproven, and he is entitled to the full protections of the United States Constitution. — ABC News, 15 Oct. 2026 Dating Derinkuyu precisely is difficult; claims of Hittite or Phrygian origins (dating roughly to the 8th to 7th centuries BCE or earlier) are common but unproven. — Maya Chawla, Architectural Digest, 12 Oct. 2026 That spending is accelerating even as the technology remains largely unproven in terms of profitability and productivity . — Tobias Burns, CNBC, 9 Oct. 2026 If anything, the addition of unproven players could have been seen as reason for skepticism, reason to believe the carousel would continue. — Nicolas Villamil, The Orlando Sentinel, 8 Oct. 2026 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

Rhymes for unproven

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Browse Nearby Words

unproved
unproven
unprovide
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Cite this Entry

“Unproven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unproven. Accessed 19 Oct. 2026.

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Legal Definition

unproven

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

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