WordNet (r) 3.0 (2006):

anarchistic
    adj 1: of or related to anarchism or tending toward anarchism

Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "anarchistic":
   actionable, against the law, anarchial, anarchic,
   anarcho-syndicalist, anomic, antinomian, black-market, bootleg,
   chaotic, chargeable, contraband, contrary to law, criminal,
   disorderly, disorganized, extreme, extremist, extremistic,
   felonious, flawed, illegal, illegitimate, illicit, impermissible,
   irregular, justiciable, lawless, mildly radical, nihilistic,
   nonconstitutional, nonlegal, nonlicit, outlaw, outlawed, pink,
   punishable, radical, red, revolutionary, revolutionist, subversive,
   syndicalist, syndicalistic, triable, ultraconservative, ultraist,
   ultraistic, unallowed, unauthorized, unconstitutional,
   under-the-counter, under-the-table, unlawful, unofficial, unruly,
   unstatutory, unwarrantable, unwarranted, wrongful