1A member of a Finnish military organization which opposed left-wing insurgents who had seized power in Finland in 1918.
2A member of a counter-revolutionary force which opposed the Bolsheviks during the Russian Civil War (1917–22); (in later use) an opponent of the regime during the Soviet era.
Of, relating to, or characteristic of Russian White Guardists or opponents of Soviet communism.
Early 20th century; earliest use found in New Justice. From White Guard + -ist.