Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
αεργών of idle LXX.Prov.15.19
αεργόσ idle LXX.Prov.13.4
αεργού of idle LXX.Prov.19.15

Liddell-Scott-Jones

ἀεργός (aergos) idle G:A

ἀεργός-ός, όν,

not working, idle, [Refs 8th c.BC+]; opposed to ἐνεργός, [Refs 5th c.BC+]: with genitive, not working out, not doing, ἔργων αἰσχρῶν ἀπαθὴς καὶ .[Refs 6th c.BC+]:—of things, inert, [Refs 2nd c.AD+]. adverb -γῶς[Refs 6th c.AD+]

__II active, debilitating, μάλκαι[Refs 2nd c.BC+]— Attic dialect ἀργός, which see