Strong's Concordance

Original word: ἄτακτος
Transliteration: ataktos
Definition (short): unruly
Definition (full): out of order, out of place

NAS Exhaustive Concordance

Word Origin: from alpha (as a neg. prefix) and taktos
Definition: out of order, out of place
NASB Translation: unruly (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From a (as a negative particle) and a derivative of tasso; unarranged, i.e. (by implication) insubordinate (religiously) -- unruly.

see GREEK a

see GREEK tasso

KJV: Now we exhort you, brethren, warn them that are unruly, comfort the feebleminded, support the weak, be patient toward all men.
NASB: We urge you, brethren, admonish the unruly, encourage the fainthearted, help the weak, be patient with everyone.