impiety
/ɪmˈpaɪətɪ/noun
(pl. -ies)［mass noun］
- lack of piety or reverence, especially for a god（尤指对神的）不虔诚, 不恭敬：
he blamed the fall of the city on the impiety of the people
他把城市的沦陷归咎于人民的不虔诚
count noun one impiety will cost me my eternity in Paradise.一次不敬神就会让我付出不能在天堂里永生的代价。
词源
Middle English: from Old French impiete or Latin impietas, from impius 'impious'.