adjective
1.
lasting or enduring through all time
everlasting laws governing the physical universe
Synonyms: amaranthine, ceaseless, endless, eternal, immortal, never-ending, unending, world-without-end; compare immortal 1
Related Word: lasting, perdurable, permanent, perpetual; boundless, infinite, limitless, termless
Contrasted words: ephemeral, evanescent, momentary, short-lived, transitory
2.
Synonyms: continual , ceaseless, constant, continuous, endless, perpetual, unceasing, unending, uninterrupted, unremitting
Contrasted words: interrupted, off-and-on, periodic, sporadic