sanctimony

noun

Righteousness accompanied by an unwarranted attitude of moral or social superiority; smug or hypocritical righteousness.

Piety; devoutness; scrupulous austerity; sanctity.

The external appearance of devoutness; labored show of goodness; affected or hypocritical devoutness.

Holiness; devoutness; scrupulous austerity; sanctity; especially, outward or artificial saintliness; assumed or pretended holiness; hypocritical devoutness.

A hypocritical form of excessive piety, considered to be an affectation merely for public show.