Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

indiscipline
     n : the trait of lacking discipline [syn: {undiscipline}] [ant:
         {discipline}]