not having been established as true, valid, or possible
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use unproved in a sentence
And so the whole fabric of geological chronology vanishes into a mere unproved notion, based upon an if.Gospel Philosophy | J. H. Ward
Its effect is simply to leave both unproved, and neither, therefore, in condition for acceptance.Man And His Ancestor | Charles Morris
The existence in the system of a form of phosphorus less highly oxidized than the phosphates is unproved.
He declares that every case into which he examined turned out to be unproved.
This has left us with a small residuum of fact, unproved fact, but sufficient to work from.The Air Pirate | Cyril Arthur Edward Ranger Gull