Sanctus <L. "holy"
adjective Pretending to be righteous
Synonyms: Self-Righteous, Hypocritical, Insincere, Superior
Antonyms: Humble, Modest, Honest, Pious
The athletes laughed when their coach rains sanctimonious insults on them about their relaxed workout schedule when he went home early to sleep.
I considered the woman to be sanctimonious after I watched her yell at her son for stealing a toy from a store while simultaneously slipping some shoes into her purse without paying.