eternal
adj.adj. lasting forever or having no beginning or end. You use it to describe things that never change and never stop existing.
adj. lasting or existing forever; without beginning or end. Often used in philosophical or theological contexts to describe timeless truths or states of being.
The poet promised her eternal love.
Many religions teach that the soul is eternal and continues to exist after the physical body dies.
The philosopher argued that while physical objects are subject to decay, mathematical truths possess an eternal quality that remains unaffected by the passage of time.
From Middle English eternal, from Old French eternal, from Late Latin aeternālis, from Latin aeternus (“eternal”), from aevum (“age”). Displaced native Old English ēċe.
Typically used as an attributive adjective before a noun; often non-gradable in its literal sense.