Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

988. Impiety — N. impiety; sin &c 945; irreverence; profaneness &c

adj.; profanity, profanation; blasphemy, desecration, sacrilege; scoffing &c v.. [feigned piety] hypocrisy &c (falsehood) 544; pietism, cant, pious fraud; lip devotion, lip service, lip reverence; misdevotion†, formalism, austerity; sanctimony, sanctimoniousness &c adj.; pharisaism, precisianism†; sabbatism†, sabbatarianism†; odium theologicum [Lat.], sacerdotalism†; bigotry &c (obstinacy) 606, (prejudice) 481; blue laws. hardening, backsliding, declension, perversion, reprobation. sinner &c 949; scoffer, blasphemer; sacrilegist†; sabbath breaker; worldling; hypocrite &c (dissembler) 548; Tartufe†, Mawworm†. bigot; saint [Iron.]; Pharisee; sabbatarian†, formalist, methodist, puritan, pietist†, precisian†, religionist, devotee; ranter, fanatic, juramentado†. the wicked, the evil, the unjust, the reprobate; sons of men, sons of Belial, the wicked one; children of darkness. V. be impious &c adj., profane, desecrate, blaspheme, revile, scoff; swear &c (malediction) 908; commit sacrilege. snuffle; turn up the whites of the eyes; idolize. Adj. impious; irreligious &c 989; desecrating &c v.; profane, irreverent, sacrilegious, blasphemous. un-hallowed, un-sanctified, un-regenerate; hardened, perverted, reprobate. hypocritical &c (false) 544; canting, pietistical†, sanctimonious, unctuous, pharisaical, overrighteous†, righteous over much. bigoted, fanatical; priest-ridden. Adv. under the mask of religion, under the cloak of religion, under the pretense of religion, under the form of religion, under the guise of religion. Phr. giovane santo diavolo vecchio [It].