Origin of holier-than-thou
Examples from the Web for holier-than-thou
Herman likes to give the appearance of living this holier-than-thou life.Herman Cain's Marriage Shaken by Infidelity Charges|Allison Samuels|December 2, 2011|DAILY BEAST
Unfortunately for Edwards, the holier-than-thou approach won her few fans.
She shrank from the holier-than-thou attitude; yet to remain quiet might be taken as approval.The Mystery of Arnold Hall|Helen M. Persons
Happily the generations of cant and holier-than-thou are passing, and we are looking history more honestly in the face.Heroic Spain|Elizabeth Boyle O'Reilly
But I don't want you to think you can get away with any holier-than-thou stuff.
There was no assumption of godliness nor conceit, no holier-than-thou smirk about the child.The Search|Grace Livingston Hill
There's going to be one house in this scandal-mongering town to-night that isn't going to spring the holier-than-thou.
Word Origin and History for holier-than-thou
as an adjectival phrase in reference to supercilious sanctimony attested by 1888, American English. The text is in Isaiah lxv:5.