Of, pertaining to, or resembling Utopia.[lowercase] Founded upon or involving imaginary or ideal perfection; chimerical.[lowercase] Belonging to no locality: as, “titular and utopian bishops,”n. An inhabitant of Utopia.n. [lowercase] One who forms or favors schemes supposed to lead to a state of perfect happiness, justice, virtue, etc.; an ardent but impractical political or social reformer; an optimist.