I. so ‧ cial ‧ ist 1 /ˈsəʊʃ ə l-əst, ˈsəʊʃ ə l-ɪst $ ˈsoʊ-/ BrE AmE adjective
[ Word Family: noun : ↑ society , ↑ sociologist , ↑ sociology , ↑ sociability , ↑ social , ↑ socialism , ↑ socialist , ↑ socialite , ↑ socialization , ↑ sociopath ; adjective : ↑ sociable ≠ ↑ unsociable , ↑ social ≠ ANTI-SOCIAL , ↑ unsocial , ↑ socialist , ↑ socialistic , ↑ societal , ↑ sociological , ↑ sociopathic ; adverb : ↑ socially , ↑ sociably , ↑ sociologically ; verb : ↑ socialize ]
1 . based on socialism or relating to a political party that supports socialism:
socialist principles
2 . a socialist country or government has a political system based on socialism
II. socialist 2 BrE AmE noun [countable]
[ Word Family: noun : ↑ society , ↑ sociologist , ↑ sociology , ↑ sociability , ↑ social , ↑ socialism , ↑ socialist , ↑ socialite , ↑ socialization , ↑ sociopath ; adjective : ↑ sociable ≠ ↑ unsociable , ↑ social ≠ ANTI-SOCIAL , ↑ unsocial , ↑ socialist , ↑ socialistic , ↑ societal , ↑ sociological , ↑ sociopathic ; adverb : ↑ socially , ↑ sociably , ↑ sociologically ; verb : ↑ socialize ]
someone who believes in socialism, or who is a member of a political party that supports socialism