Synonyms:
blasphemous, profane, sacrilegious
Meaning: grossly irreverent toward what is held to be sacred; "blasphemous rites of a witches' Sabbath"; "profane utterances against the Church"; "it is sacrilegious to enter with shoes on"
Usage examples
"Who dares?" he demanded hoarsely of the courtiers who stood near him--"who dares insult us with this blasphemous mockery?