unproven
Britishadjective
-
not established as true by evidence or demonstration
unproven allegations
-
(of a new product, system, treatment, etc) not tried or tested
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It also could have made farmers more cautious about using unproven and expensive new technology.
From Los Angeles Times • Jun. 15, 2026
"Many of our initiatives… involve significant technical complexity, unproven technologies or technologies that do not exist, and such initiatives may not achieve commercial viability," the company wrote in its prospectus.
From BBC • Jun. 12, 2026
By promising trillions in future profits from other, completely unproven, businesses.
From MarketWatch • Jun. 10, 2026
Beyond a financial injection, the $2 billion funding package served as a vote of confidence in a technology that many still treat as an unproven, long-term gamble.
From Barron's • Jun. 9, 2026
For years, the notion was unproven, somewhere in the realm of received wisdom or suburban myth.
From "Drama High" by Michael Sokolove
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.