so·cial·istBrE/ˈsəʊʃəlɪst/NAmE/ˈsoʊʃəlɪst/nounapersonwhobelievesinorsupportssocialism; a member of a political party that believes in socialism社会主义者;社会党党员▸so·cial·istadjective[usually before noun]◆asocialistcountry社会主义国家◆socialistbeliefs社会主义信仰◆therulingSocialistParty执政的社会党