Strong’s Greek
G813 — ataktos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἄτακτος
ataktos — pronounced at'-ak-tos
from 1 (as a negative particle) and a derivative of 5021; unarranged, i.e. (by implication) insubordinate (religiously):--unruly. see GREEK for 1 see GREEK for 5021
1 occurrence in the KJV.
1 Thessalonians 5:14
Now we exhort you, brethren, warn them that are unruly, comfort the feebleminded, support the weak, be patient toward all men.