undrinkable

adj

1. Not drinkable.

noun

1. Anything not suitable for drinking.

   “[…] but there was a peculiar aroma about that Oxo that no ox had ever provided, unless he were stalled in a chemist's shop, and it was not long before this ruse was discovered and another liquid thereby added to the undrinkables of life.”

   “Popping down a cork coaster, the bartender delivered Alan's next drink and plucked the empties and undrinkables as the music changed.”