blasphemy

noun

The action or offence of speaking sacrilegiously about God or sacred things; profane talk.

SYNONYMS

cursecursingdesecrationdisrespectexecrationimpietyimpiousnessimprecationirreligiousnessirreverenceprofanenessprofanitysacrilegeswearingtaking the Lord's name in vainungodlinessunholiness