Eternity meaning: Eternity is time that never ends

Eternity is time that never ends or that has no limits. Learn how to use this word in different contexts, such as religion, philosophy, and idioms, with examples from the Cambridge English Corpus. ETERNAL definition: 1. lasting forever or for a very long time: 2. lasting forever or for a very long time: 3…. Learn more. Definition of eternity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Eternity is time without an end or a state of existence outside time, especially the state which some people believe they will pass into after they have died. Learn more about the word origin, synonyms, examples, and usage of eternity in British and American English.