lustrious UK /ˈlʌs.tɹɪ.əs/US /ˈlʌs.tɹi.əs/ adjective1 •(no longer used, rare) Dazzling, sparkling; beautiful.(The teeming lady comes, / The lustrious orb, Venus contralto, the blooming mother. / Sister of loftiest gods, Alboni's self I hear.) — 1892 formsmore lustrious · most lustrious
