Synonyms of sempiternal

2 Syllables

undying, always, deathless, termless, boundless, constant, lasting

3 Syllables

enduring, ceaseless, perennial, persistent, perpetual, continued, dateless, timeless, continual, unbroken, immortal, unfading, abiding, forever, relentless, unending, permanent, ageless, incessant, unceasing, continuous

4 Syllables

immutable, unremitting, never-ending, all-embracing, everlasting, infinite, never-ceasing, phoenixlike, perdurable, immemorial

5 Syllables

amaranthine, supertemporal, illimitable, interminable, imperishable, indestructible, indefinite, uninterrupted