unpardonable sin

plural unpardonable sins

1. Eternal sin.

   1 more example

   Furthermore, what would otherwise be good points about the sort of selective literalism that renders homosexuality an unpardonable sin but shrugs off Sarah Palin’s biblically forbidden pearl earrings are lost in Eichenwald’s assumption that evangelicals make these decisions “with less care than they exercise in selecting side orders for lunch.”

   2015 January 6, Rachel Held Evans, “What Newsweek gets wrong about evangelicals”, in CNN