unfairness

from WordNet (r) 3.0 (2006)

unfairness
    n 1: partiality that is not fair or equitable [ant: {candor},
         {candour}, {fair-mindedness}, {fairness}]
    2: injustice by virtue of not conforming with rules or standards
       [syn: {unfairness}, {inequity}] [ant: {equity}, {fairness}]
    3: an unjust act [syn: {injustice}, {unfairness}, {iniquity},
       {shabbiness}]

from The Collaborative International Dictionary of English v.0.48

Unfair \Un*fair"\, a. [AS. unf[ae]ger unlovely. See {Un-} not,
   and {Fair}, a.]
   Not fair; not honest; not impartial; disingenuous; using or
   involving trick or artifice; dishonest; unjust; unequal.
   [1913 Webster]

         You come, like an unfair merchant, to charge me with
         being in your debt.                      --Swift.
   [1913 Webster] -- {Un*fair"ly}, adv. -- {Un*fair"ness}, n.
   [1913 Webster]