unproven

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.

Another problem is that many investors and lenders still see the space as risky and unproven, says Tyler Pullen, a researcher at the Terner Center for Housing Innovation at the University of California, Berkeley.

From The Wall Street Journal • Jun. 17, 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

Much of the excitement surrounding the stock involves the promise of unproven technology — Musk’s plan to launch thousands of satellites powered by the sun that would perform artificial intelligence computer calculations in space.

From Los Angeles Times • Jun. 11, 2026

Many of these “initiatives” or dreams, the company admits, “involve significant technical complexity, unproven technologies, or technologies that do not exist or may require significant advancement, and such initiatives may not achieve commercial viability.”

From MarketWatch • Jun. 10, 2026

Dr. D. W. Bliss was one who thought that germ theory was unproven.

From "Ambushed!" by Gail Jarrow