ἀμουσία
From LSJ
καλῶς δρῶν ἐξαμαρτεῖν μᾶλλον ἢ νικᾶν κακῶς → I would prefer to fail with honor than to win by evil | I prefer to fail by acting rightly rather than win by acting wrongly | Better fail by doing right, than win by doing wrong (Sophocles, Philoctetes 95)
English (LSJ)
ἡ,
A want of education, taste or refinement, rudeness, E.Fr. 1020, etc., cf. Chor.Zach.Dial.2; joined with ἀπειροκαλία, Pl.R. 403c. II want of harmony, E.HF676.
German (Pape)
[Seite 128] ἡ, Mangel an seiner Bildung, Geschmacklosigkeit, Plat. mit ἀπειροκαλία vrbdn, Rep. III, 403 c. Unwissenheit, Clit. 407 c; Legg. III, 691 a; Eul. H. far. 676; Plut. u. a. Sp.