<p><strong>noun</strong></p><ul><li>plural Bolsheviks, Bolsheviki [bohl-shuh-vik-ee, -vee-kee]<ul><li>(in Russia) a member of the more radical majority of the Social Democratic Party, 1903–17, advocating immediate and forceful seizure of power by the proletariat.</li><li>(after 1918) a member of the Russian Communist Party.</li><li>(loosely) a member of any Communist party.</li><li>(often lowercase) Disparaging. a contemptuous term used to refer to an extreme radical or revolutionary.</li></ul></li></ul>