THESAURUS
agnostic
Humean, Humist, Pyrrhonic, Pyrrhonist, ambiguous, capricious, chancy, changeable, dicey, distrustful, doubter, doubtful, doubting, doubting Thomas, dubious, dubitante, equivocal, erratic, fickle, from Missouri, hesitant, hesitating, in doubt, incalculable, incredulous, indecisive, indemonstrable, irresolute, leery, mistrustful, mistrusting, polysemous, questioning, scoffer, scrupulous, shy, skeptic, skeptical, suspecting, suspicious, touch-and-go, unaccountable, uncertain, unconfirmable, unconvinced, undivinable, unforeseeable, unpersuaded, unpredictable, unprovable, unsure, untrusting, unverifiable, variable, wary, wavering, whimsical
ROGET THESAURUS
agnostic
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.