Englishlasting
adjective
a lasting peace:
enduring, long-lasting, long-lived, lifelong, abiding, continuing, remaining, long-term, surviving, persisting, permanent, deep-rooted, indelible, ingrained;
durable, constant, stable, established, secure, fast, firm, fixed, long-standing;
unchanging, never-changing, irreversible, immutable, eternal, undying, everlasting, perennial, perpetual, unending, never-ending, endless, immortal, imperishable, unfading, changeless, indestructible, ceaseless, unceasing, unwavering, unfaltering, nonstop, steady, steadfast, uninterrupted, unbroken, interminable;
dependable, reliable;
rare sempiternal, perdurable.
▷antonyms short-lived, ephemeral.