unpotableadj.
/(ˌ)ʌnˈpəʊtəbl/, U.S. /ˌənˈpoʊdəb(ə)l/ Undrinkable.
ΘΚΠ
the world > food and drink > drink > [adjective] > drinkable > not
impotable1608
undrinkable1611
unpotable1686
the world > physical sensation > taste and flavour > unsavouriness > [adjective] > undrinkable
impotable1608
undrinkable1611
unpotable1686
1686 H. Grenfield God in Creature To Rdr. sig. *3 Sweetning the Waters imbitter'd by it [sc. black choler], with infusions of heavenly Nectar: Which otherwise might prove..un-potable.
1748 W. Brownrigg Art of making Common Salt iii. v. 235 It is probably this salt that gives most of the springs in Arabia..their bitter taste, and renders them un-potable.
1848 S. W. Williams Middle Kingdom I. 14 The water..is brackish and unpotable.
1902 Act 2 Edward VII c. 7 §8 The applicant..will..render the spirits unpotable..during use.
2004 West Australian (Perth) (Nexis) 15 May 70 A gravity-fed desalination plant could treat unpotable water from Wellington Dam.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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adj.1686