C1 adjective /ˌsæŋktɪˈmoʊniəs/
sanctimonious
heuchlerisch fromm
Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
Er hielt eine heuchlerische Rede über Ehrlichkeit, während er selbst korrupt war.