sanctimonious(making a show of being morally better than others, especially hypocritically) adjective [UK: ˌsæŋk.tɪ.ˈməʊ.nɪəs] [US: ˌsæŋk.təˈmo.ʊ.niəs]
santimonianoun {f}
sanctimony(a hypocritical form of excessive piety) noun [UK: ˈsæŋk.tə.ˌməʊ.ni] [US: ˈsæŋk.təˌmo.ʊ.ni]