ἀφροσύνη
From LSJ
Τὰς γὰρ ἡδονὰς ὅταν προδῶσιν ἄνδρες, οὐ τίθημ' ἐγὼ ζῆν τοῦτον, ἀλλ' ἔμψυχον ἡγοῦμαι νεκρόν → But when people lose their pleasures, I do not consider this life – rather, it is just a corpse with a soul
English (LSJ)
ἡ, (ἄφρων)
A folly, thoughtlessness, freq. in pl., παῖδας καταπαυέμεν ἀφροσυνάων Od.24.457, cf. 16.278: in sg., οὐδέ τί σε χρὴ ταύτης ἀφροσύνης Il.7.110, cf. Democr.254, Hdt.3.146, 9.82; κοῦφαι ἀ. S.OC1230 (lyr.); καταφρόνησιν ἢ . . ἀ. μετωνόμασται Th.1.122; opp. σωφροσύνη and σοφία, Pl.Prt.332e; συμβαίνει ἡ ἀ. μετὰ ἀκρασίας ἀρετή Arist.EN1146a27.