never- ending

73 Moby Thesaurus words for "never ending":
      ageless, amaranthine, articulated, catenated, ceaseless, coeternal,
      concatenated, connected, constant, continual, continued,
      continuing, continuous, cyclical, dateless, direct, endless,
      eternal, eterne, ever-being, ever-durable, ever-during,
      everlasting, everliving, featureless, gapless, immediate,
      immemorial, immortal, incessant, indestructible, infinite,
      interminable, joined, jointless, linked, monotonous, never-ceasing,
      nonstop, nonterminating, nonterminous, olamic, perdurable,
      perennial, periodic, permanent, perpetual, recurrent, repetitive,
      round-the-clock, running, seamless, sempiternal, serried, smooth,
      stable, steady, straight, timeless, twenty-four-hour, unbroken,
      unceasing, undifferentiated, unending, uniform, unintermitted,
      unintermittent, unintermitting, uninterrupted, unrelieved,
      unremitting, unstopped, without end