indifference
I
noun
aloofness, apathy, blankness, coldness, coolness, detachment, disinterestedness, disregard, impassiveness, imperturbability, inattention, inconsideration, insouciance, laxity, lukewarmness, neglect, negligence, nonchalance, nonobservance, unconcern
II
index
dereliction, disinterest (lack of interest), disregard (lack of respect), disregard (unconcern), insentience, languor, laxity, neglect, negligence, neutrality, nonfeasance, sloth
Burton's Legal Thesaurus.
William C. Burton.
2006