Source : Webster's Revised Unabridged Dictionary (1913)

Disobedient \Dis`o*be"di*ent\, a. [Pref. dis- + obedient. See
   {Disobey}, {Obedient}.]
   1. Neglecting or refusing to obey; omitting to do what is
      commanded, or doing what is prohibited; refractory; not
      observant of duty or rules prescribed by authority; --
      applied to persons and acts.

            This disobedient spirit in the colonies. --Burke.

            Disobedient unto the word of the Lord. --1 Kings
                                                  xiii. 26.

   2. Not yielding.

            Medicines used unnecessarily contribute to shorten
            life, by sooner rendering peculiar parts of the
            system disobedient to stimuli.        --E. Darwin.

Source : WordNet®

disobedient
     adj 1: not obeying or complying with commands of those in
            authority; "disobedient children" [ant: {obedient}]
     2: unwilling to submit to authority; "unruly teenagers" [syn: {unruly}]