eternity

1 endless time the question whether the universe will end someday or continue to exist in eternity Synonyms of eternity everlasting, foreverness, infinity, perpetuity Words Related to eternity boundlessness, endlessness, interminableness, limitlessness, permanence, permanency, timelessness Near Antonyms of eternity ephemerality, impermanence, temporariness, transience, transitoriness

2 unending existence after death a firm belief in the eternity of the soul Synonyms of eternity afterlife, beyond, hereafter, immortality Words Related to eternity afterworld, otherworld

3 a long or seemingly long period of time we waited in line for tickets for an eternity Synonyms of eternity aeon (or eon), blue moon, coon's age, cycle, donkey's years [chiefly British], age, forever, long, months, moonWords Related to eternity infinity; lifetimeNear Antonyms of eternity flash, instant, jiffy, minute, moment, second, shake, split second, trice, twinkle, twinkling, wink; microsecond, nanosecond