The Collaborative International Dictionary of English v.0.48:

Indiscipline \In*dis"ci*pline\, n. [L. indisplina: cf. F.
   indiscipline. See In- not, and Discipline.]
   Lack of discipline or instruction. [R.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

indiscipline
    n 1: the trait of lacking discipline [syn: indiscipline,
         undiscipline] [ant: discipline]