ἐφυβρίστως

From LSJ

ταράσσει τοὺς ἀνθρώπους οὐ τὰ πράγματα, ἀλλὰ τὰ περὶ τῶν πραγμάτων δόγματα → what disturbs people is not what happens, but their view of what happens | it is not the things themselves that disturb men, but their judgements about these things

Source

French (Bailly abrégé)

adv.
d'une manière outrageante.
Étymologie: ἐφυβρίζω.

Russian (Dvoretsky)

ἐφυβρίστως: насмешливо, оскорбительно, тж. издевательски (ὠμῶς καὶ ἐ. Plut.).