The Collaborative International Dictionary of English v.0.48:

Misrule \Mis*rule"\, v. t. & i.
   To rule badly; to misgovern.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Misrule \Mis*rule"\, n.
   1. The act, or the result, of misruling.
      [1913 Webster]

   2. Disorder; confusion; tumult from insubordination.
      [1913 Webster]

            Enormous riot and misrule surveyed.   --Pope.
      [1913 Webster]

   Abbot of Misrule, or Lord of Misrule. See under Abbot,
      and Lord.
      [1913 Webster]

WordNet (r) 3.0 (2006):

misrule
    n 1: government that is inefficient or dishonest [syn:
         misgovernment, misrule]

Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "misrule":
   anarchism, anarcho-syndicalism, anarchy, antinomianism, bad policy,
   be negligent, chaos, confusion, criminal syndicalism, disorder,
   disorderliness, disorganization, disruption, distemper,
   fabulous formless darkness, foul-up, hassle, impolicy,
   inexpedience, inexpediency, license, lynch law, maladminister,
   maladministration, malfeasance, malpractice, misadminister,
   misadministration, misconduct, misdirect, misdirection,
   misfeasance, misgovern, misgovernment, misguidance, misguide,
   mishandle, mishandling, mismanage, mismanagement, mix-up, mob law,
   mob rule, mobocracy, morass, muddle, neglect, negligence, nihilism,
   nonfeasance, ochlocracy, omission, primal chaos, rebellion,
   revolution, riot, screw-up, snafu, syndicalism, tohubohu, turmoil,
   unruliness, wrongdoing