List of irreligious synonyms and irreligious related words.
amoral, apostate, atheistic, backsliding, blasphemous, creedless, disbelieving, faithless, fallen, fallen from grace, godless, heretical, impious, incredulous, indevout, irreverent, lapsed, minimifidian, nonbelieving, nonreligious, nullifidian, profanatory, profane, recidivist, recidivistic, recreant, renegade, repudiative, sacrilegious, sinful, un-Christly, unangelic, unbelieving, unchristian, unconfident, unconverted, unconvinced, undevout, undutiful, ungodly, unholy, unmoral, unreligious, unrighteous, unsaintly, wicked, without faith