- suitable for drinking.
Origin of drinkable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for undrinkable
Earlier this month, Toledo, Ohio, watched its municipal water supply descend into an undrinkable stew of algal toxins.Are Water Filters B.S.?
August 19, 2014
It proved, as we feared, to be slightly brackish, but not undrinkable.Expedition into Central Australia
That in the bath of the Hammam es-Shefa is a spring of undrinkable water.Jerusalem Explored, Volume I--Text
I think it was the very worst water we ever had, all but undrinkable, in fact.With Our Army in Palestine
It is a feeble, characterless, uninspiring sort of stuff, and almost as undrinkable as if it had been made in an American hotel.A Tramp Abroad, Complete
Mark Twain (Samuel Clemens)
But he answered, “I certainly will not drink that undrinkable compound, whatever may happen.”The Kath Sarit Sgara
- not pleasant or safe enough to be drunk
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