eternal 9 antonyms and opposites of eternal. Adj — Lasting forever, without beginning or end. Synonyms for eternal ageful agelong amaranthine celestial endless enduring eterne everduring evergreen everlasting eviternal forever heavenly imperishable indesinent lasting never-ending perennial permanent perpetual perpetuate persistent sempiternal timeless unending undeadly undying Antonyms for eternal ephemeral fleeting impermanent mortal momentary temporary transient unperpetual unperpetuated ← Back to the full definition of eternal
