prejudiced, discriminatory -- (being biased or having a belief or attitude formed beforehand; "a prejudiced judge")
discriminatory, invidious -- (containing or implying a slight or showing prejudice; "discriminatory attitudes and practices"; "invidious comparisons")
discriminative, discriminatory -- (capable of making fine distinctions)
discriminatory, preferential -- (manifesting partiality; "a discriminatory tax"; "preferential tariff rates"; "preferential treatment"; "a preferential shop gives priority or advantage to union members in hiring or promoting")