WordNet sense 1 (absence of moral or spiritual values):

dark, darkness, iniquity

WordNet sense 2 (the quality of being wicked):

nefariousness, ugliness, vileness

WordNet sense 3 (estrangement from god):

sin, sinfulness, sin

WordNet sense 4 (the quality of being disgusting to the senses or emotions):

loathsomeness, lousiness, repulsiveness, sliminess

WordNet sense 5 (morally objectionable behavior):

evil, immorality