blasphemy

An act of irreverence or contempt toward a god or toward something considered sacred; an impious act, utterance, view, etc.

That imam said that drawing the prophet Muhammad was a form of blasphemy.

Had God cancelled His everlasting Covenant with Israel? The mere thought was blasphemy! But what did God's silence and the present dark cloud mean?

An act of irreverence towards anything considered inviolable; the act of disregarding a convention.

Some historical information is given on the Panormo family of guitar makers and a whole chapter is called, "Maccaferri's 'Monstrosity'," the name given Julian's Maccaferri guitar due to the blasphemy of its having more than six strings, […]

The market has responded well to this type of packaging [wine in cardboard containers], even if some consider it near blasphemy, and it has had a role in bringing wine to the younger generation and to social classes intimidated by the high price of many bottled products.