blasphemy
Pronunciation:
/ˈblæs.fə.mi/noun
Definitions
An act of irreverence or contempt toward a god or toward something considered sacred; an impious act, utterance, view, etc.
Example: That imam said that drawing the prophet Muhammad is a form of blasphemy.
(by extension) An act of irreverence towards anything considered inviolable; the act of disregarding a convention.