1) Holier-than-thou 2) Holier than thou 3) Pharisaic 4) Pharisaical 5) Pious 1) Pharisaic 2) Pharisaical 3) Pietistic 4) Pietistical 5) Pious 6) Self-righteous 
• (a.) Possessing sanctimony; holy; sacred; saintly. • (a.) Making a show of sanctity; affecting saintliness; hypocritically devout or pious.
Sanc`ti·mo'ni·ous adjective [ See Sanctimony .] 1. Possessing sanctimony; holy; sacred; saintly. Shak. 2. Making a show of sanctity; affecting saintliness; hypocritically devout or pious. 'Like the sanctimonious pirate.' Shak. -- 
sanctimonious, sanctimoniously 1. Possessing sanctity, holy in character; sacred, holy, consecrated. 2. Of pretended or assumed sanctity or piety, making a show of sanctity, affecting the appearance of sanctity.
excessively or hypocritically pious