What is "unproven"

Usage examples of "unproven".

Transmission of measles to human beings by the lower animals is still unproven.

Since Persico and his sergeants all felt handpicked and had all been together for so many years, and those bonds had been calcified by so many shared experiences, any newcomer, even a newly appointed team leader, was likely to be treated like an unproven outsider.

I have to tell you, the job openings for an unproven Summoner are pretty slim.

Unlike in 1991, Israel now has the Arrow antiballistic missile system, and although it is unproven, it has done well in tests and Jerusalem hopes it can be relied on.

What happens when they pass, unproven, into postpuberty states without ever becoming adults?

The doctor had suggested he try an unproven treatment, a course in coenzyme Q10.

Increased chronometric radiation was, according to unproven theory, indicative of increased instability.

Unfortunately, Ables Motors was a relatively new venture for Farndale, an unproven brand, while the old familiar Mercedes, Ford, Range Rover, and Telmar products took the lion’s share of the market.

I used many new and unproven words, many intergrams and formulae rare and difficult to blend.

Because the technology of each of these companies was new and unproven when I invested, and because there were no real markets for the new technologies at the time the investments were made, I had to learn the hard way, which was by experience, as opposed to through advice.

By long-standing procedure, Guild Instructors set up holorecording devices in every Heighliner navigation chamber and every training tank of the new and unproven Pilots.

He had told the voters, 'We can do better,' and now his deeply-held and boldly-stated meliorism would be tested - a test devised by a crotchety genius and delivered by an idealistic tycoon, both of whom clearly viewed him with the skepticism due an unproven youth.

If, on the other hand, we view 'Persistent Types' in relation to that hypothesis which supposes the species living at any time to be the result of the gradual modification of pre-existing species a hypothesis which, though unproven, and sadly damaged by some of its supporters, is yet the only one to which physiology lends any countenance.