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 huge deals for unproven prospects are becoming more and more common around the majors.

From The Wall Street Journal • Apr. 11, 2026

While the idea was influential, it remained unproven because carbenes were known to be too unstable, especially in water, to capture or study.

From Science Daily • Apr. 11, 2026

But as attractive as they sound, SMRs are viewed as unproven at commercial scale.

From BBC • Apr. 3, 2026

And during oral arguments in January, both the liberal and conservative flanks of the court expressed doubts in the government’s claim that Trump could oust Cook on the basis of an unproven allegation.

From Slate • Mar. 19, 2026

Elsewhere in his essay, Greene does not hide the fact that many of his fellow physicists think that string theory and the multiverse are extravagant and unproven.

From "The Sense of Style" by Steven Pinker