βλασφημία
Etym. From βλάσφημος
1. "a profane speech", opp. to εὐφημία, Eur., Plat.
2. "defamation, evil-speaking, slander", Dem.
3. "impious and irreverent speech against God, blasphemy", NTest.; τοῦ πνεύματος "against" the Spirit, id=NTest.; πρός τινα id=NTest.