| Noun | 1. | blasphemy - blasphemous language (expressing disrespect for God or for something sacred)discourtesy, disrespect - an expression of lack of respect profanity - vulgar or irreverent speech or action |
| 2. | blasphemy - blasphemous behavior; the act of depriving something of its sacred character; "desecration of the Holy Sabbath"irreverence, violation - a disrespectful act |