Meaning

noun emotionally charged terms used to refer to extreme radicals or revolutionaries

noun a Russian member of the left-wing majority group that followed Lenin and eventually became the Russian communist party

adjective of or relating to Bolshevism

originBorrowed from Russian большеви́к (bolʹševík), from большинство́ (bolʹšinstvó, “majority”).

Etymology from Wiktionary, CC BY-SA 3.0