ἀ-τακτος, -ον
(τάσσω), [in LXX: 3Ma.1:19 * ;]
out of order, out of place (Lat. inordinatus), frequently of soldiers not keeping the ranks, or an army in disarray (cf. 3Ma.1:19); hence, metaphorically, irregular, disorderly (see previous word): 1Th.5:14.†
(AS)