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
During the Covid-19 pandemic, misinformation led people to decline vaccines, reject public health guidance, and turn to unproven treatments.
—
Ava Dzurenda, STAT, 24 Apr. 2026
The interceptors, which are designed to destroy enemy missiles outside the Earth’s atmosphere, are a key but unproven component of Golden Dome.
—Anthony Capaccio, Bloomberg, 24 Apr. 2026
Although Purdy is holding down the starting position and Mac Jones is entering the second and final year of a cheap backup contract, the players behind them are unproven.
—Graham Womack, Sacbee.com, 23 Apr. 2026
After making it to the Stanley Cup Final two years in a row with a veteran group, this year’s model offers plenty of youth and some unproven rookies in prominent places.
—Allan Mitchell, New York Times, 22 Apr. 2026
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Ava Dzurenda, STAT, 24 Apr. 2026
The interceptors, which are designed to destroy enemy missiles outside the Earth’s atmosphere, are a key but unproven component of Golden Dome.
—Anthony Capaccio, Bloomberg, 24 Apr. 2026
Although Purdy is holding down the starting position and Mac Jones is entering the second and final year of a cheap backup contract, the players behind them are unproven.
—Graham Womack, Sacbee.com, 23 Apr. 2026
After making it to the Stanley Cup Final two years in a row with a veteran group, this year’s model offers plenty of youth and some unproven rookies in prominent places.
—Allan Mitchell, New York Times, 22 Apr. 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 28 Apr. 2026.
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