unproven
Britishadjective
-
not established as true by evidence or demonstration
unproven allegations
-
(of a new product, system, treatment, etc) not tried or tested
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.
If completed as designed, it would require complicated and still unproven in-orbit refueling.
From Barron's • May 20, 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
It is a bet that an executive trained to ship products on time can learn to write 10-figure checks on unproven technology.
From MarketWatch • Apr. 22, 2026
He was well-read and intelligent, but young and unproven.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
