Durable(a.) Able to endure or continue in a particular condition; lasting; not perishable or changeable; not wearing out or decaying soon; enduring; as, durable cloth; durable happiness.
Thesaurus Entries
abiding, adamantine, age-long, aged, ancient, antique, bulky, cartilaginous, changeless, chewy, chronic, cohesive, constant, continuing, coriaceous, dense, dependable, diuturnal, enduring, evergreen, fast, fibrous, firm, fixed, frozen, gristly, hard, hardy, heavy, immobile, immutable, indestructible, intact, intransient, inveterate, inviolate, lasting, leatherlike, leathery, long-lasting, long-lived, long-standing, long-term, longeval, longevous, macrobiotic, massive, of long duration, of long standing, perdurable, perduring, perennial, permanent, perpetual, persistent, persisting, quiescent, reliable, remaining, resistant, rigid, ropy, rugged, sempervirent, sinewy, solid, sound, stable, static, stationary, staying, steadfast, steady, stiff, stout, stringy, strong, stubborn, sturdy, substantial, sustained, tenacious, torpid, tough, tough as leather, unaltered, unchangeable, unchanged, unchanging, unchecked, undestroyed, unfading, unfailing, unshifting, untiring, unvaried, unvarying, unyielding, vigorous, viscid, vital, well-built, well-constructed, well-founded, well-grounded, well-made, wiry