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undrinkable

British  
/ ʌnˈdrɪŋkəbəl /

adjective

  1. 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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Down the winding, two-lane roads that connect communities, a pastor organizes bottled-water drives for neighbors whose tap water is undrinkable, while the local utility patches together funding for long-term solutions.

From The Wall Street Journal

To make matters worse, many of the island’s brooks and streams emptied right into the ocean, where all that water became undrinkable.

From Literature

Flowing water has become first undrinkable, then unswimmable, and now in places even untouchable without falling sick.

From Salon

"We know it is undrinkable water, and we still drink it," he went on.

From BBC

That began more than 20 years ago, and just last year, the International Refugee Assistance Project found conditions at the facility to be inhumane, citing undrinkable water, open sewage and poor medical care.

From Los Angeles Times