Speaking or writing blasphemy; uttering or exhibiting anything impiously irreverent; profane; as, a blasphemous person; containing blasphemy; as, a blasphemous book; a blasphemous caricature.
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"