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
But carbon capture is still prohibitively expensive and unproven at scale, while solar energy has become the cheapest power source in history.
—
Justine Calma, The Verge, 2 May 2024
But alongside bets on massive data centers and computing hardware, Altman and other CEOs are putting money toward unproven, moonshot energy startups that promise to deliver unlimited power for next to nothing.
—Dylan Sloan, Fortune, 22 Apr. 2024
See all Example Sentences for unproven 
Justine Calma, The Verge, 2 May 2024
But alongside bets on massive data centers and computing hardware, Altman and other CEOs are putting money toward unproven, moonshot energy startups that promise to deliver unlimited power for next to nothing.
—Dylan Sloan, Fortune, 22 Apr. 2024
See all Example Sentences for unproven
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unproven.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Unproven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unproven. Accessed 8 May. 2024.
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