self-righteous (adj.)

• affected
• complacent
• false
• goody
• goody-goody
• holier-than-thou
• hypocritical
• insincere
• mealy-mouthed
• mealymouthed
• pharisaic
• pharisaical
• pietistic
• pious
• priggish
• sanctified
• sanctimonious
• self-satisfied
• smug
• superior
• unctuous