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

While Kling’s annualized run rate already exceeds Morningstar’s expectation, its thin gross margin, likely around 5%, and unproven user retention make Morningstar unsure about its long-term shareholder value.

From The Wall Street Journal • May 29, 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

Most of it is unproven, and some could even harm.

From Barron's • May 21, 2026

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

From "Ambushed!" by Gail Jarrow