The Collaborative International Dictionary of English v.0.48:

Indocile \In*doc"ile\, a. [L. indocilis: cf. F. indocile. See
   In- not, and Docile.]
   Not teachable; indisposed to be taught, trained, or
   disciplined; not easily instructed or governed; dull;
   intractable.
   [1913 Webster]

WordNet (r) 3.0 (2006):

indocile
    adj 1: of persons; "the little boy's parents think he is
           spirited, but his teacher finds him unruly" [syn:
           indocile, uncontrollable, ungovernable, unruly]

Moby Thesaurus II by Grady Ward, 1.0:

50 Moby Thesaurus words for "indocile":
   at odds, averse, beyond control, breachy, contumacious, cursory,
   defiant, differing, disagreeing, disinclined, disobedient, forced,
   fractious, incorrigible, indisposed, indomitable, insubordinate,
   insuppressible, intractable, involuntary, irrepressible, mutinous,
   noncooperating, noncooperative, obstreperous, opposed, out of hand,
   perfunctory, recalcitrant, refractory, resistant, resisting,
   restive, shrewish, sulky, sullen, unbiddable, uncompliant,
   unconsenting, uncontrollable, uncooperative, undisciplined,
   ungovernable, unmalleable, unmanageable, unmoldable, unruly,
   unsubmissive, unwilling, wild