Synonyms of lasting

1 Syllable

long, old

2 Syllables

yearlong, undying, stablest, long-term, doozie, brass-bound, brassbound, brick-wall, longer, stabler, termless, stable, constant, endless, chronic, longest

3 Syllables

durable, perennial, continuing, perpetual, deep-rooted, lingering, eternal, longstanding, unchanging, timeless, continual, diuturnal, overlong, immortal, shatterproof, protracted, long-lived, abiding, long-standing, forever, persisting, lifelong, permanent, stabile, incessant, unceasing

4 Syllables

unbreakable, monumental, unremitting, long-continued, sempiternal, indelible, phoenixlike, habituated, everlasting, memorable, infrangible, perdurable, ever-present, unabating, nonbreakable

5 Syllables

indissoluble, inexpungible, inextirpable, inexhaustible, ineffaceable, inerasable, long-established, unforgettable, rememberable