sanctimonious (adj) - making a hypocritical show of piety, devotion, or moral superiority; displaying a “holier-than-thou” attitude [sangk-tuh-moh-nee-uhs]
BREAKDOWN: SANCT- (sacred or holy) + -MONY (behavior) + -OUS (full of)
sanctimony is false or affected piety or righteousness
ALSO SEE: sacrosanct
“Some men look at constitutions with sanctimonious reverence, and deem them like the ark of the Covenant, too sacred to be touched. They ascribe to the men of the preceding age a wisdom more than human, and suppose what they did to be beyond amendment.” —Thomas Jefferson