eternal

adj.

[1]	everlasting , ageless , aeonian , timeless , infinite , eonian , everlasting , endless , immortal , perpetual , unending , limitless , unceasing
[2]	endless , unending , endless , interminable , ceaseless , unceasing , incessant , perpetual , constant , continuous , interminable , uninterrupted , non-stop , unremitting , persistent , relentless , continual , recurrent
[3]	unchanged , unchanging , immutable , invariable , unvarying , unalterable , permanent , fixed , constant , everlasting , enduring , lasting , undiminished , unfaltering , unwavering