iniquity

n. (pl. -ies) 1 wickedness. 2 gross injustice.  iniquitous adj. [french from latin aequus just]

n. Absence of, or deviation from, just dealing; want of rectitude or uprightness; gross injustice; unrighteousness; wickedness; as, the iniquity of bribery; the iniquity of an unjust judge.