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
After measles erupted in West Texas last year, Kennedy publicly recommended unconventional and unproven treatments for the virus, including steroids, antibiotics, and cod liver oil.
—
Andrew Jones, Charlotte Observer, 11 Mar. 2026
There was an unwillingness to use Jennings to spell the top backs, Mitchell has been in and out of the league, and Larison is unproven.
—Doug Kyed, Boston Herald, 11 Mar. 2026
The idea remains unproven, however, and clear evidence of past or present life on Mars remains elusive (though scientists have made some intriguing finds lately).
—Sharmila Kuthunur, Space.com, 6 Mar. 2026
Tarassova said an additional risk is that when unproven injectables cause a reaction, even licensed doctors often don’t know how to respond.
—Cindy Krischer Goodman, Sun Sentinel, 5 Mar. 2026
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Andrew Jones, Charlotte Observer, 11 Mar. 2026
There was an unwillingness to use Jennings to spell the top backs, Mitchell has been in and out of the league, and Larison is unproven.
—Doug Kyed, Boston Herald, 11 Mar. 2026
The idea remains unproven, however, and clear evidence of past or present life on Mars remains elusive (though scientists have made some intriguing finds lately).
—Sharmila Kuthunur, Space.com, 6 Mar. 2026
Tarassova said an additional risk is that when unproven injectables cause a reaction, even licensed doctors often don’t know how to respond.
—Cindy Krischer Goodman, Sun Sentinel, 5 Mar. 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 14 Mar. 2026.
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