WordNet (r) 3.0 (2006):

amorality
    n 1: the quality of being amoral

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "amorality":
   amoralism, backsliding, carnality, criminality, delinquency, evil,
   evil nature, immorality, impurity, moral delinquency, peccability,
   prodigality, recidivism, unangelicalness, unchastity, uncleanness,
   ungodliness, ungoodness, unmorality, unrighteousness,
   unsaintliness, unvirtuousness, vice, viciousness, wantonness,
   waywardness, wrongdoing