Strong's G182 — ἀκατάστατος (adjective)
akatastatos (ak-at-as'-tat-os) adj.
1. inconstant
[from G1 (as a negative particle) and a derivative of G2525]
KJV: unstable 
Root(s): G1, G2525 
Hebrew root: καθίστημι
Occurrences: 2