Sanctimony (noun)

1. A hypocritical display of religious piety or moral virtue.
2. The act of pretending to be morally superior to others.

Origin:

The word "sanctimony" is derived from the latin word "sanctimonia" meaning holiness, and is made up of "sanctus" meaning holy and "timor" meaning fear. it entered english in the late 15th century and refers to a hypocritical display of religious piety or moral virtue.

Examples:

1. His sanctimony was insufferable, as he constantly preached about the importance of honesty but lied all the time.
2. She couldn't stand the sanctimony of some of her coworkers who pretended to be saints but were actually very corrupt.
3. His sanctimony was transparent and it was clear that he didn't practice what he preached.
4. The preacher's sanctimony was obvious to everyone in the congregation.
5. The politician's sanctimony was a thinly veiled attempt to gain the support of religious voters.