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.

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

If completed as designed, it would require complicated and still unproven in-orbit refueling.

From Barron's • May 20, 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

The Bernstein team, for its part, said that investors don’t so much have to place bets on whether copper-based technologies win out over the newer but more unproven school of co-packaged optics.

From MarketWatch • May 11, 2026

Fact: Every great scientist knows that an unproven theory isn’t exactly science, but the idea that Sir Fig Newton would live a long, healthy life with the silent cat killer was about to come true.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas