Dean didn't comment on Fred's unproved assumption.
The seamen of Dieppe are said to have discovered the river about 1360, and even to have built a fort which became the nucleus of the town of St Louis, but this claim is unproved (see Guinea).
Nevertheless, though unproved, Anne's guilt is more than probable.
Embracing the whole philosophic movement under the name of "the Cartesian system," Reid detects its fundamental error in the unproved assumption shared by these thinkers "that all the objects of my knowledge are ideas in my own mind."
In 1876, in consequence of unproved accusations of corruption, he resigned.
How would you define unproved? Add your definition here.