ἀπειροκάλως
From LSJ
Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
French (Bailly abrégé)
adv.
grossièrement.
Étymologie: ἀπειρόκαλος.
Russian (Dvoretsky)
ἀπειροκάλως: безвкусно, невежественно, грубо Plat., Luc.