[1] : The Collaborative International Dictionary of English v.0.48

evilness \e"vilness\, n.
   the condition or quality of being evil; badness; viciousness;
   malignity; vileness; as, evilness of heart; the evilness of
   sin.
   1913 webster

[2] : WordNet (r) 2.0

evilness
     n : the quality of being morally wrong in principle or practice;
         "attempts to explain the origin of evil in the world"
         syn: evil ant: good, good
see also:
evil good 

[3] : Moby Thesaurus II by Grady Ward, 1.0

36 moby thesaurus words for "evilness":
   arrantness, badness, baseness, damnability, devilishness, devilry,
   deviltry, fiendishness, flagitiousness, foulness, heinousness,
   hellishness, improperness, inaccuracy, inauspiciousness,
   inexpedience, inferiority, iniquitousness, invalidity, malevolence,
   moral badness, naughtiness, nefariousness, peccancy, rankness,
   reprehensibility, sinfulness, unfavorableness, unhealthiness,
   unkindness, unpleasantness, unskillfulness, viciousness, vileness,
   villainousness, wickedness

Evilness >> E Words
Evilness, definition of term: Evilness
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