Bol ‧ she ‧ vik /ˈbɒlʃəvɪk, ˈbɒlʃɪvɪk $ ˈboʊl-/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Language: Russian ; Origin: bol'shevik , from bol'she 'larger' ; because they formed the largest group in the Communist party ]
1 . someone who supported the ↑ communist party at the time of the Russian Revolution in 1917
2 . old-fashioned an insulting way of talking about a Communist or someone who has strong ↑ left-wing opinions
—bolshevik adjective