All the wine in the camp was rendered undrinkable or poured on the ground.
"Rulers of India: Akbar"
George Bruce Malleson
Close to the shore, especially, the water had a reddish tinge, and the usually sweet, pure fluid in the canals was full of strange vegetable growths and other foreign bodies putrid and undrinkable.
"The Complete Historical Romances of Georg Ebers"
Georg Ebers
The Germans also gave us a certain amount of perfectly undrinkable acorn coffee, and sugar at the rate of about two lumps per man per day.
"The Escaping Club"
A. J. Evans