unjust in WordNet English dictionary

1. not equitable or fair
   "the inequitable division of wealth"; "inequitable taxation"
   inequitable  unjust 
   
2. not fair; marked by injustice or partiality or deception
   "used unfair methods"; "it was an unfair trial"; "took an unfair advantage"
   unfair  unjust 
   
3. violating principles of justice
   "unjust punishment"; "an unjust judge"; "an unjust accusation"
   unjust