| Social Democratic Party | |
| —n | |
| 1. | (in Britain 1981--90) a centre political party founded by ex-members of the Labour Party. It formed an alliance with the Liberal Party and continued in a reduced form after many members left to join the Social and Liberal Democratic Party in 1988 |
| 2. | one of the two major political parties in Germany (formerly in West Germany), favouring gradual reform |
| 3. | any of the parties in many other countries similar to that of Germany |