lib

1. a supporter or member of a Liberal Party, especially (in Australia) the Liberal Party of Australia.

   they can only overturn the carbon tax if Labor votes with the Libs in both houses of Parliament

2. a supporter of policies that are socially progressive and promote social welfare.

1. relating to a Liberal Party, especially (in Australia) the Liberal Party of Australia.

   a senior Lib politician

2. favouring policies that are socially progressive and promote social welfare.

   a lib blog

late 19th century: abbreviation of liberal.

1. (in the names of political movements) liberation.

   I'm all for women's lib

1970s: abbreviation of liberation.

abbreviation, symbol

(in the context of party politics) Liberal.

1. a member or supporter of a political party called the Liberal Party.

   the hard-fought race over who'll win the right to run for the Libs in the Spring election

late 19th century: abbreviation of liberal.