utopian socialist
/juːˌtəʊpɪən ˈsəʊʃəlɪst/ /jʊˌtəʊpɪən ˈsəʊʃəlɪst/ /juːˌtəʊpɪən ˈsəʊʃ(ə)lɪst/noun
An advocate of utopian socialism. Opposed to scientific socialist.
adjective
Of or relating to utopian socialism or its advocates. Opposed to scientific socialist.
Origin
Mid 19th century; earliest use found in The British Quarterly Review. From utopian + socialist.