ἀχρειοσύνη
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
ἡ, = ἀχρειότης, Glossaria.
Spanish (DGE)
-ης, ἡ inutilidad, Gloss.2.254 (ap. crít.).
Greek Monolingual
η (AM ἀχρειοσύνη) αχρείος
εξευτελισμός, ατίμωση.