perdurable UK /pə(ɹ)ˈdjʊəɹəbəl/US /pə(ɹ)ˈdʊəɹəbəl/ adjective1 •Very durable; long-lasting.In Paradyce, that place of pleasure perdurable / The progeny of parrottis, were fayre and fauorable — 1521 formsmore perdurable · most perdurable