WordNet (r) 3.0 (2006):

renunciative
    adj 1: used especially of behavior [syn: renunciant,
           renunciative, self-abnegating, self-denying]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "renunciative":
   abjuratory, abnegative, adversative, breakaway, contemptuous,
   contradicting, contradictory, contrary, declinatory, denying,
   despising, disaffirming, disallowing, disavowing, disclaiming,
   disdainful, dismissive, disowning, mugwumpian, mugwumpish,
   negative, negatory, opposing, recanting, rejective, renunciatory,
   repudiative, repudiatory, repugnant, revocative, revocatory,
   schismatic, scornful, secessionist, separatist