impious (part of speech: adjective)
sectarian (part of speech: adjective)
fetishistic, non-Christian, nonorthodox, Bohemian, iconoclastic, unscriptural, pantheistic, demonical, barbarous, nonconforming, unorthodox, dissenting, heretic, animalistic, factional, sectarian, nonreligious, unchristian, idolatrous, heterodox
irreligious (part of speech: adjective)
impious, non-practicing, pagan, disbelieving, nihilistic, worldly, secular, faithless, creedless, non-religious, ungodly, godless, irreligious, agnostic, heathen, unbelieving, profane, undevout, non-believing, irreverent
- Mr. Fiske is very hard on the atheists, and so will probably repudiate with scorn any insinuations to the effect that his theory of things is " quasi- atheistic." - "A Candid Examination of Theism", George John Romanes.
- When I first heard the remark that the study of Nature tended to make men atheistic, I resented it with indignation, though but a child. - "Guide to the Kindergarten and Intermediate Class and Moral Culture of Infancy.", Elizabeth P. Peabody Mary Mann.
- It is also a homeland of the great religious beliefs shared by many of our citizens beliefs which are now threatened by the tide of atheistic communism. - "Complete State of the Union Addresses from 1790 to the Present", Various.