Russia has been accused for years of hunting down what it sees as its enemies, but undisputed convictions of killers remain rare.

Romance survives, of course; but it has lost the undisputed empery of fiction which it held in ancient and in medieval times.

A third stronghold then fell into our hands, and we were in undisputed possession of the heights.

With the death of the ignoble son of Valerian, I believed would close our undisputed reign over most of these eastern provinces.

None of these had any undisputed legal sanction whatever, though each of them claimed all possible legality.

They were more than likely the undisputed masters of the Ordovician seas.