[last.ing] adj (12c): existing or continuing a long while: enduring -- last.ing.ly adv -- last.ing.ness n syn lasting, permanent, durable, stable mean enduring for so long as to seem fixed or established. lasting implies a capacity to continue indefinitely "a book that left a lasting impression on me". permanent adds usu. the implication of being designed or planned to stand or continue indefinitely "permanent living arrangements". durable implies power to resist destructive agencies "durable fabrics". stable implies lastingness because of resistance to being overturned or displaced "a stable government".
[2]lasting n (15c) 1 archaic: long life
2: a sturdy cotton or worsted cloth used esp. in shoes and luggage