adjective

behaving in a way that suggests one has higher standards or more noble beliefs than is the case.

we don’t go to church and we thought it would be hypocritical to have him christened

sanctimonious,pious,pietistic,self-righteous,holier-than-thou,superior,insincere,specious,feigned,pretended,hollow,false,deceitful,deceptive,dishonest,untruthful,lying,dissembling,duplicitous,two-faced,Janus-faced,double-dealing,untrustworthy,phoney,pretend,Pharisaic,Pharisaical,Tartuffian,canting