ἀνωφέλητος
From LSJ
ἔστιν δέ που ἡ μὲν ἐπὶ σώμασι γυμναστική, ἡ δ' ἐπὶ ψυχῇ μουσική → I think I am right in saying that we have physical exercise for the body and the arts for the soul
English (LSJ)
ον,
A unprofitable, useless, τινί to one, A. Ch.752: abs., S.Ant.645, El.1144; γῆ X.Cyr.1.6.11. II helpless, ἄνθρωπος Eup.377; ἀ. καὶ θεοῖς ἐχθρός Stratt.9 D.