adjective
1.
Synonyms: limitless , boundless, immeasurable, indefinite, infinite, measureless, unbounded, unlimited, unmeasured
2.
Synonyms: everlasting 1, amaranthine, ceaseless, eternal, immortal, never-ending, unending, world-without-end
Related Word: constant, continuous; deathless, immortal, undying; boundless, limitless, unbounded, unlimited; self-perpetuating
3.
Synonyms: continual , ceaseless, constant, continuous, everlasting, interminable, perpetual, unceasing, unending, uninterrupted
Related Word: overlong