Englishimpious
adjective
the church was shamefully plundered by impious villains:
godless, ungodly, unholy, irreligious, sinful, immoral, unrighteous, sacrilegious, profane, blasphemous, irreverent, disrespectful;
apostate, atheistic, non-theistic, agnostic, pagan, heathen, faithless, non-believing, unbelieving, disbelieving, doubting;
rare nullifidian.
▷antonyms pious.
impious Oxford Dictionary of English