THESAURUS
Adamic, a bit thick, a bit thin, absurd, appalling, atheistic, awful, backsliding, bad, barbarous, beastly, beyond belief, blasphemous, carnal, corrupt, cursed, damnable, demoniac, demoniacal, demonic, depraved, devilish, diabolic, diabolical, doubtable, doubtful, dreadful, dubious, dubitable, erring, evil, execrable, fallen, fiendish, flagitious, fleshly, frail, frightful, ghoulish, godless, hard of belief, hard to believe, heinous, hellish, heretical, iconoclastic, immoral, impious, implausible, improper, impure, inconceivable, incredible, indecent, indelicate, infernal, infirm, iniquitous, irreligious, irreverent, lapsed, malodorous, monstrous, nasty, not deserving belief, of easy virtue, open to doubt, open to suspicion, outrageous, passing belief, peccable, postlapsarian, preposterous, problematic, prodigal, profane, questionable, recidivist, recidivistic, ridiculous, rough, sacrilegious, satanic, shocking, sinful, staggering belief, suspect, suspicious, tall, terrible, thick, thin, un-Christly, unangelic, unbecoming, unbelievable, unchaste, unchristian, uncivilized, unclean, unconscionable, unconvincing, undecorous, unearthly, ungood, unhallowed, unholy, unimaginable, unrighteous, unsaintly, unthinkable, untoward, unvirtuous, unworthy of belief, vile, villainous, virtueless, wanton, wayward, weak, wicked
ROGET THESAURUS
Irreligion
N
irreligion, indevotion, godlessness, ungodliness, laxity, quietism, skepticism, doubt, unbelief, disbelief, incredulity, incredulousness, want of faith, want of belief, pyrrhonism, bout, agnosticism, atheism, deism, hylotheism, materialism, positivism, nihilism, infidelity, freethinking, antichristianity, rationalism, neology, atheist, skeptic, unbeliever, deist, infidel, pyrrhonist, giaour, heathen, alien, gentile, Nazarene, espri fort, freethinker, latitudinarian, rationalist, materialist, positivist, nihilist, agnostic, somatist, theophobist, irreligious, indevout, undevout, devoutless, godless, graceless,
ungodly, unholy, unsanctified, unhallowed, atheistic, without God, skeptical, freethinking, unbelieving, unconverted, incredulous, faithless, lacking faith, deistical, unchristian, antichristian, worldly, mundane, earthly, carnal, worldly minded, irreligiously.
