Indifference to every religion.
1821. The transition is easy to mere Nihilism, and a total disregard of moral obligation.T. Dwight, Travels, ii. 238. (N.E.D.)
a. 1817. In Religion they [the inhabitants of Kings and Queens Counties] are Episcopalians, Presbyterians, Quakers, Baptists, Methodists, and Nihilists.Id., iii. 333.