Lack of discipline.
1783. Congress forced us into a situation, which obliged us to venture upon a piece of indiscipline, in order to secure a tolerable peace.J. Adams, Letter to Arthur Lee: Works, (1854), ix. 517. (N.E.D.)
1792. My former letters have mentioned the indiscipline of the French armies.Gouverneur Morris in Sparkss Life and Writings (1832), ii. 175. (N.E.D.)
1812. Duke of Wellington. (N.E.D.)