unˈtaintable,a. (un-1 7 b.) a1610Healey Epictetus, Life (1616) A 5, His life was spotlesse and vntaintable.a1670Hacket Cent.Serm. (1675) 238 His integrity was untaintable.1895Cent.Mag. July 339 One like himself should praise him! Soul of grace, untaintable white brightness!