FreeVocabulary
Sanctimonious
/ˌsæŋktɪˈmoʊniəs/ adjective mediumActing as though one is morally superior to others in a way that feels fake or hypocritical.
His sanctimonious lecture about honesty rang hollow, since he had lied about his own expenses.
Memory Trick
Sanctimonious contains 'saint' -- picture someone acting like a saint on the outside while behaving nothing like one underneath.