discriminatory

from WordNet (r) 3.0 (2006)

discriminatory
    adj 1: being biased or having a belief or attitude formed
           beforehand; "a prejudiced judge" [syn: {prejudiced},
           {discriminatory}] [ant: {impartial}, {unprejudiced}]
    2: containing or implying a slight or showing prejudice;
       "discriminatory attitudes and practices"; "invidious
       comparisons" [syn: {discriminatory}, {invidious}]
    3: capable of making fine distinctions [syn: {discriminative},
       {discriminatory}]
    4: manifesting partiality; "a discriminatory tax"; "preferential
       tariff rates"; "preferential treatment"; "a preferential shop
       gives priority or advantage to union members in hiring or
       promoting" [syn: {discriminatory}, {preferential}]

from The Collaborative International Dictionary of English v.0.48

Discriminatory \Dis*crim"i*na*to*ry\, a.
   Discriminative.
   [1913 Webster]