The Oxford Thesaurus An A-Z Dictionary of Synonyms - injustice n.

1) unfairness, favouritism, discrimination, bias, inequality, partiality, partisanship, prejudice, bigotry, one-sidedness, unjustness, inequity: Class privilege has always condoned injustice. 2) wrong, injury: You do me an injustice if you think me capable of dishonesty.