utopia UK /juːˈtəʊ.pi.ə/US /juˈtoʊ.pi.ə/ noun1 •A world in which everything and everyone works in perfect harmony.Errors in time must be kept in mind when analyzing myths and utopiae. Utopiae are merely projections, on a less personal and wider scale, of Cinderella’s longing for a happy future. — 1945 formsUtopias · utopiae · utopias