Roraima /ɹəʊˈɹaɪmə/ noun2 •A state of the North Region, Brazil. Capital: Boa Vista. •A large tepui located at the junction of Guyana, Venezuela, and Brazil.During my time on Roraima I developed a severe case of "tepui fever"—a longing to visit other tepuis and explore some of the mysteries they have guarded for eons. — 1989