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
That includes a criminal inquiry into Powell and the Fed over a multibillion-dollar renovation of its headquarters and an attempt to fire Fed Governor Lisa Cook over unproven allegations of mortgage fraud.
—
Elisabeth Buchwald, CNN Money, 18 Feb. 2026
However, along with launch delays, cost overruns and questions about the basic economics of the SLS, there are calls to remove the crew of Artemis II on the grounds that the Orion spacecraft is simply too unproven and too outright dangerous for astronauts to ride in it.
—New Atlas, 15 Feb. 2026
Hamdan, however, will have his work cut out for him with the Dolphins, a team with a quarterback coming off a dismal season in Tua Tagovailoa and an unproven second-year player in Quinn Ewers.
—Miami Herald, 13 Feb. 2026
How does a head coach know when an unproven assistant is ready for that challenge?
—Nicki Jhabvala, New York Times, 12 Feb. 2026
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Elisabeth Buchwald, CNN Money, 18 Feb. 2026
However, along with launch delays, cost overruns and questions about the basic economics of the SLS, there are calls to remove the crew of Artemis II on the grounds that the Orion spacecraft is simply too unproven and too outright dangerous for astronauts to ride in it.
—New Atlas, 15 Feb. 2026
Hamdan, however, will have his work cut out for him with the Dolphins, a team with a quarterback coming off a dismal season in Tua Tagovailoa and an unproven second-year player in Quinn Ewers.
—Miami Herald, 13 Feb. 2026
How does a head coach know when an unproven assistant is ready for that challenge?
—Nicki Jhabvala, New York Times, 12 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 19 Feb. 2026.
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