(ἄτακτος), primarily, of soldiers marching, to be out of order
, to quit the ranks
; hence, metaphorically, to be remiss, fail in the performance of duty (in π, of truancy on the part of an apprentice): 2Th.3:7 (on ἀ. and its cognates, see M, Th.
, 152 ff; MM, s.vv.). (AS