To an enfeebled and exhausted man, obliged to use one if not both hands for holding on to his support and armed with nothing at all, the obstacle was simply unnegotiable.
"The Triumph of Hilary Blachland"
Bertram Mitford
But after all the stamp is what makes it a guinea instead of an unnegotiable disc of metal!
"Father Payne"
Arthur Christopher Benson
At first blush it looked like this, but further reflection served to show that, failing his own co-operation, the document was useless for the purpose of obtaining one single shilling-in a word, was utterly unnegotiable.
"The Red Derelict"
Bertram Mitford