[1] : The Collaborative International Dictionary of English v.0.48

unfair \unfair"\, v. t. 1st pref. un- + fair.
   to deprive of fairness or beauty. r. --shak.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

unfair \unfair"\, a. as. unfaeger 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 -- unfair"ly, adv. -- unfair"ness, n.
   1913 webster
see also:
un- fair unfair"ly unfair"ness 

[3] : WordNet (r) 2.0

unfair
     adj 1: showing favoritism syn: partial ant: impartial
     2: not fair; marked by injustice or partiality or deception;
        "used unfair methods"; "it was an unfair trial"; "took an
        unfair advantage" syn: unjust ant: fair
see also:
partial impartial unjust fair 

Unfair >> U Words
Unfair, definition of term: Unfair
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