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.

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

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

But Human Rights Watch urged the government to scrap the scheme, describing it as "unproven technology" that will undermine the protections vulnerable children are entitled to.

From BBC • May 28, 2026

Navy officials have said the new battleship would be armed with unproven next-generation weapons including lasers and rail guns, which are weapons that use electricity to fire a projectile instead of gunpowder.

From The Wall Street Journal • May 12, 2026

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

From "Ambushed!" by Gail Jarrow