unproven

adjective

un·​prov·​en ˌən-ˈprü-vən 

British also -ˈprō-

: not tested and shown to be good, true, or useful : not proven

an unproven allegation/theory

unproven benefits

unproven technology

Examples of unproven in a Sentence

Recent Examples on the Web

But his absence leaves the Trojans with a totally new and unproven group to catch passes; many of them are getting their first experience of college football, and of quarterback Jayden Maiava. — Ryan Kartje, Los Angeles Times, 1 Aug. 2026

The Broncos have a room full of intriguing, but largely unproven linebackers behind the two veteran starters. — Nick Kosmider, New York Times, 31 July 2026

These moves have once again foregrounded Paul's unproven claims that the SARS-Cov-2 virus came from a lab leak and that Fauci covered it up — a charge the scientist has vociferously denied. — Ari Daniel, NPR, 30 July 2026

The team has a first-year head coach, a new general manager and a reshaped roster with a lot of young, unproven players but no one wants this to be just a bridge year. — CBS News, 30 July 2026

Word History

First Known Use

1563, in the meaning defined above

Rhymes for unproven

• proven

Legal Definition

unproven

adjective

un·​prov·​en

ˌən-ˈprü-vən

: not proven

an unproven allegation