Synonyms and Antonyms of eternity
1 endless time <the question whether the universe will end someday or continue to exist in eternity> Synonyms everlasting, foreverness, infinity, perpetuity Related Words boundlessness, endlessness, interminableness, limitlessness, permanence, permanency, timelessness Near Antonyms ephemerality, impermanence, temporariness, transience, transitoriness
3 a long or seemingly long period of time <we waited in line for tickets for an eternity> Synonyms aeon (or eon), blue moon, coon's age, cycle, donkey's years [chiefly British], age, forever, long, months, moonRelated Words infinity; lifetimeNear Antonyms flash, instant, jiffy, minute, moment, second, shake, split second, trice, twinkle, twinkling, wink; microsecond, nanosecond
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