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.

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

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

The science at that time was unproven and had never been used in any criminal proceedings, but the group told The Times they were confident in their findings.

From Los Angeles Times • May 7, 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