durable

adj

1. Able to resist wear or decay; lasting; enduring.

   “Near-synonyms: persistent, long-lasting, lasting, hard-wearing; see also Thesaurus:lasting”

   “durable batteries”

   “I forged a durable relationship with my seatmate.”

   “Researchers have developed a new gel they say is as durable as metal, has the flexibility of jello, and could revolutionize how our bodies heal and age.”

noun

1. 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.”