sanc·ti·mo·nious 
/ˌsæŋktəˈmoʊnijəs/ adjective
/ˌsæŋktəˈmoʊnijəs/ adjective [more sanctimonious; most sanctimonious] formal + disapproving : pretending to be morally better than other people
▪ sanctimonious politicians ▪ a sanctimonious speech/lecture
▪ sanctimonious politicians ▪ a sanctimonious speech/lecture
— sanc·ti·mo·nious·ly adverb
▪ She sanctimoniously criticized our plans.
▪ She sanctimoniously criticized our plans.
