Definitions for "Vanguard party"
a political party at the forefront of an action or movement, often seeking to create a single-party
a usually Marxist political party that views itself as the vanguard, or organizational leader, of proletarian revolution
A vanguard party is a political party or grassroot organization at the forefront of a mass action, movement, or revolution. The idea of a vanguard party was developed by Vladimir Lenin, most prominently in What is to be Done?, a political pamphlet first published in 1902.