perpetuity Synonyms

eternity endlessness sempiternity ever and a day vastitude agelessness timelessness perennation lastingness unintermission sustainment survivance survival stability persistency perpetuation perpetuate boundlessness limitlessness countlessness endless time time without end ages and ages world without end interminability incessantness ages eternalness eternality continuousness unendingness ceaselessness deathlessness athanasia permanency permanence immeasurability forever everlastingness everlasting eternize Eternities eternalize endurance durableness durability diuturnity continuity continuance constancy