indisciplineEtymologyFrom French indiscipline, from Middle French [Term?], from Late Latin indisciplina.indiscipline means lack of discipline. Lexicurio rates it Rare gem — a strength score of 80 out of 100.nounLack of discipline.“[O]ur delay, and other things which happened, were proofs—and I was told not uncommon ones—of that carelessness, unreadiness, and general indiscipline of French arrangements, which has helped to bring about, since then, an utter ruin.”