[syn: inequitable, unjust]
The Collaborative International Dictionary of English v.0.48:
Unjust \Un*just"\, a.
   1. Acting contrary to the standard of right; not animated or
      controlled by justice; false; dishonest; as, an unjust man
      or judge.
      [1913 Webster]
   2. Contrary to justice and right; prompted by a spirit of
      injustice; wrongful; as, an unjust sentence; an unjust
      demand; an unjust accusation.
      [1913 Webster] -- Un*just"ly, adv. -- Un*just"ness, n.
      [1913 Webster]
WordNet (r) 3.0 (2006):
unjust
    adj 1: not fair; marked by injustice or partiality or deception;
           "used unfair methods"; "it was an unfair trial"; "took an
           unfair advantage" [syn: unfair, unjust] [ant: fair,
           just]
    2: violating principles of justice; "unjust punishment"; "an
       unjust judge"; "an unjust accusation" [ant: just]
    3: not equitable or fair; "the inequitable division of wealth";
       "inequitable taxation" [syn: inequitable, unjust] [ant:
       equitable, just]
Bouvier's Law Dictionary, Revised 6th Ed (1856):
UNJUST. That which is done against the perfect rights of another; that which
is against the established law; that which is opposed to a law which is the
test of right and wrong. 1 Toull. tit. prel. n. 5; Aust. Jur. 276, n.; Hein.
Lec. El. Sec. 1080.