preferential adj 1: 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}]
Preferential \Pref`er*en"tial\, a. Giving, indicating, or having a preference or precedence; as, a preferential claim; preferential shares. [1913 Webster]