existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"
very long lasting; "less durable rocks were gradually worn away to form valleys"; "the perdurable granite of the ancient Appalachian spine of the continent"
serviceable for a long time; "durable denim jeans"
having a habit of long standing; "a chronic smoker"
of persons; not subject to change; "a confirmed bachelor"; "a confirmed invalid"
having been established or made firm or received the rite of confirmation; "confirmed reservations"; "received confirmed reports of casualties"; "a confirmed Catholic"