ἀκατάσχετος G183
akatáschetos · ak-at-as'-khet-os · Adjective
from Α (as a negative particle) and a derivative of κατέχω; unrestrainable:--unruly.
1 Occurrence in the King James Bible
James 3:8But the tongue can no man tame; it is an unruly evil, full of deadly poison.