iniquity
Concise Oxford English Dictionary © 2008 Oxford University Press:
iniquity /ɪˈnɪkwɪti/
▶noun (pl. iniquities) highly unfair or immoral behaviour.
– derivatives
iniquitous adjective,
iniquitously adverb,
iniquitousness noun.
iniquitous adjective,
iniquitously adverb,
iniquitousness noun.
– origin ME: from OFr. iniquite, from L. iniquitas, from iniquus, from in- ‘not’ + aequus ‘equal, just’.
'iniquity' also found in these Oxford entries:

