proven
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.
The rare species of Ebola involved - known as Bundibugyo - kills around a third of those infected and has no proven vaccine yet.
From BBC • May 22, 2026
There is an Ebola vaccine for the more common Zaire species of Ebola, but there is no proven vaccine for Bundibugyo.
From BBC • May 22, 2026
Though widespread success isn’t yet proven, pharma companies have been investing billions in AI partnerships to accelerate drug discovery and development.
From The Wall Street Journal • May 20, 2026
One of Tesla's most hyped products, the stainless-steel Cybertruck, has proven to be a commercial disappointment and the broader company has also hit turbulence.
From Barron's • May 20, 2026
She was young and enraptured, her joy infectious, especially to Dr. Cigrand, the dentist, who saw so little joy from day to day as he reduced grown men of proven courage to tears.
From "The Devil in the White City" by Erik Larson
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