un·just 
(ŭn-jŭst)
(ŭn-jŭst)adj.
1. Being in violation of principles of justice or fairness; unfair: an unjust law.
2. Acting in violation of such principles; unfair in one's dealings and actions: an unjust ruler.
3. Archaic Faithless; dishonest.
un·justly adv.
un·justness n.