durable UK /ˈdjʊəɹəbəl/US /ˈdʊɹəbəl/adjective 1noun 1forms 3 adjective1 •Able to resist wear or decay; lasting; enduring.I forged a durable relationship with my seatmate. noun1 •A durable thing, one useful over more than one period, especially a year.In a frictionless world with perfect rental markets, there is an unambiguous cost associated with the use of a durable for a single period. — 1989 formsdurables · more durable · most durable