hy ‧ poc ‧ ri ‧ sy /hɪˈpɒkrəsi, hɪˈpɒkrɪsi $ -ˈpɑː-/ BrE AmE noun [uncountable]
[ Date: 1100-1200 ; Language: Old French ; Origin: ypocrisie , from Greek hypokrisis 'act of playing a part on stage, hypocrisy' ]
when someone pretends to have certain beliefs or opinions that they do not really have – used to show disapproval OPP sincerity :
It would be sheer hypocrisy to pray for success, since I’ve never believed in God.