βλασφημεῖν
From LSJ
κῶς ταῦτα βασιλέϊ ἐκχρήσει περιυβρίσθαι → how will it be good enough for the king to be insulted with these things
Greek > English (Woodhouse Verbs Reversed)
(see also βλασφημέω): speak evil of, utter ill-omened words, utter inauspicious words, utter slander