socialistPronunciation: /ˈsəʊʃ(ə)lɪst, ˈsəʊʃəlɪst/Translate socialist | into French | into German | into Italian | into Spanish Definition of socialist noun a person who advocates or practises socialism: she was a lifelong socialist adjective adhering to or based on the principles of socialism:the history of socialist movementDerivatives socialisticPronunciation: /-ˈlɪstɪk/ adjective socialisticallyPronunciation: /-ˈlɪstɪkəli/ adverb socialist in other Oxford dictionaries Definition of socialist in the US English dictionary