ἀεργ-ός · aerg-os — LSJ
not working, idle, Il. 9.320, Od. 19.27, Hes. Op. 303, Theoc. 28.15, etc.; opp. ἐνεργός, Hp. de Arte II: c. gen., not working out, not doing, ἔργων αἰσχρῶν ἀπαθὴς καὶ ἀ. Thgn. 1177:—of things, inert, Aret. SD 1.9. Adv. -γῶς PFlor. 295.5 (vi A. D.).
Act., debilitating, μάλκαι Nic. Th. 381 codd.— Att. ἀργός, q.v.