Merriam-Webster Online Dictionary
lasting (adjective)existing or continuing a long while - enduring
1.
archaic long life
2.
a sturdy cotton or worsted cloth used especially in shoes and luggage
Merriam-Webster Online Thesaurus
lasting (adjective)having an existence or validity that does not change or diminish
SYNONIMS:
ageless, continuing, dateless, enduring, eternal, everlasting, immortal, imperishable, lasting, ongoing, perennial, perpetual, timeless, undyingRELATED WORDS:
ceaseless, endless, permanent; changeless, constant, stable, stationary, steady, unchanging, unvaryingNEAR ANTONYMS:
antiquated, archaic, dated, obsolete, outdated, outmoded, out-of-date, outworn, passé