unproven
adjective
un·prov·en
ˌən-ˈprü-vən 
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
Loperfido, Zach Cole and Cam Smith all remain unproven.
—
Ken Rosenthal, New York Times, 3 Mar. 2026
Landlords were skeptical about signing a lease for the unproven concept.
—Matthew Geiger, Denver Post, 3 Mar. 2026
In this vacuum, supplements, unproven interventions, and their charismatic advocates thrive.
—Andrew S. Brack, Time, 26 Feb. 2026
The problem is most nutraceutical products — that is, dietary supplements used for medicinal purposes — are unproven.
—Elise Felicione, STAT, 26 Feb. 2026
See All Example Sentences for unproven
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.
Ken Rosenthal, New York Times, 3 Mar. 2026
Landlords were skeptical about signing a lease for the unproven concept.
—Matthew Geiger, Denver Post, 3 Mar. 2026
In this vacuum, supplements, unproven interventions, and their charismatic advocates thrive.
—Andrew S. Brack, Time, 26 Feb. 2026
The problem is most nutraceutical products — that is, dietary supplements used for medicinal purposes — are unproven.
—Elise Felicione, STAT, 26 Feb. 2026
See All Example Sentences for unproven
Cite this Entry
“Unproven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unproven. Accessed 11 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
