anti-conservatism

noun

1. the disposition to preserve or restore what is established and traditional and to limit change.
2. the principles and practices of political conservatives.

noun

1. opposition to change and innovation
2. a political philosophy advocating the preservation of the best of the established order in society and opposing radical change

noun (in Britain, Canada, etc)

1. the form of conservatism advocated by the Conservative Party
2. the policies, doctrines, or practices of the Conservative Party

n.

1835, in reference to the Conservative party in British politics; from conservative + -ism. From 1840 in reference to conservative principles generally.

A general preference for the existing order of society, and an opposition to efforts to bring about sharp change. (Compare liberalism.)