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
SpaceX itself did not specify a timeline in its prospectus, citing the need for new, unproven technologies.
—
Catherina Gioino,
Fortune,
22 June 2026
What pheromone perfume cannot do Based on current research, what remains unproven is that any perfume can create instant attraction, control how another person responds or guarantee a romantic result.
—
Lauren Jarvis-Gibson,
Miami Herald,
22 June 2026
Whether a crypto network can out-build companies sitting on tens of billions of dollars is still unproven.
—
Boaz Sobrado,
Forbes.com,
21 June 2026
Fusion remains commercially unproven.
—
Brigitte Bren,
Chicago Tribune,
21 June 2026
See All Example Sentences for unproven
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Catherina Gioino,
Fortune,
22 June 2026
What pheromone perfume cannot do Based on current research, what remains unproven is that any perfume can create instant attraction, control how another person responds or guarantee a romantic result.
—
Lauren Jarvis-Gibson,
Miami Herald,
22 June 2026
Whether a crypto network can out-build companies sitting on tens of billions of dollars is still unproven.
—
Boaz Sobrado,
Forbes.com,
21 June 2026
Fusion remains commercially unproven.
—
Brigitte Bren,
Chicago Tribune,
21 June 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 30 Jun. 2026.
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