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.

Nuclear fusion, which joins atoms, is the reaction that powers the sun; the technology remains unproven.

From MarketWatch • May 18, 2026

More recently, reports from HHS-linked policy shifts show the agency removing or revising longstanding public health warnings, including content related to unproven medical treatments, further intensifying concerns among health experts about institutional credibility.

From Salon • May 9, 2026

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

From Los Angeles Times • May 6, 2026

When we contacted Mike, via a social media account, he did not personally respond but we received a letter from his lawyer that warned against the publication of his image and "unproven" allegations.

From BBC • Apr. 14, 2026

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

From "Ambushed!" by Gail Jarrow