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.
One of the hardest parts of launching a food brand is that retailers often don’t want to take risks on new, unproven products. Dave Knox, Forbes, 3 Mar. 2025 Early in the pandemic, Janet Woodcock, then the head of the FDA’s drug center, reportedly sprang into action to prevent widespread distribution of the unproven COVID treatment hydroxychloroquine over the orders of top Trump officials. Nicholas Florko, The Atlantic, 27 Feb. 2025 The backlash resulted in a 1994 law that enabled the dietary supplement industry to put its products on the market without testing and to tout unproven benefits, as long as the touting doesn’t include claims to treat or cure a disease. Arthur Allen, CNN, 26 Feb. 2025 The Jets could also look into trading for unproven, young backups on other teams like Hendon Hooker (Lions) and Tanner McKee (Eagles). Zack Rosenblatt, The Athletic, 24 Feb. 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 12 Mar. 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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