Lexical Definition

‎ἀκαταστασία‎ akatastasía (ak-at-as-tah-see'-ah) disorder ^G:N-F
from ‎ἀκατάστατος‎

commotion, confusion, tumult.

• instability, i.e. disorder

Abbott-Smith

† ἀκαταστασία, -ας, ἡ (< ἀκατάστατος), [in LXX: Pr 26:28 (מִדְחֶה), To 4:13*;]
instability (MM, VGT, s.v.); hence, confusion, tumult: I Co 14:33, Ja 3:16; pl. (Bl., §32, 6), Lk 21:9, II Co 6:5, 12:20 (Polyb., al.; v. Cremer, 739).†

Abbott-Smith References

Liddell-Scott-Jones

ἀκαταστασία-στᾰσία, ἡ,

instability, anarchy, confusion, [NT+2nd c.BC+]

__II unsteadiness, τοῦ σώματος[Refs 3rd c.BC+]

_{LSJ Scripture Refs: LXX.Prov.26.28 ☩ 2Cor.6.5}