Synonyms|97Antonyms|9|Broader|2Narrower|0Related|0
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everlastingness(noun, age, future, infinity, perpetuity)
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for ages(expression, adjective, slow, boring, tedious)
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for keeps(expression, adjective, stable, constant, lasting)
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forever(noun, adjective, adverb, stable, constant)
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future(noun, age, infinity, perpetuity, forever)
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immortality(noun, age, future, infinity, perpetuity)
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immutable(adjective, stable, constant, enduring, lasting)
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imperishability(noun, age, future, infinity, perpetuity)
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imperishable(adjective, stable, constant, vast, enduring)
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in for the long haul(expression, adjective, idiom, stable, constant)
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indestructible(adjective, stable, constant, enduring, lasting)
1
infiniteness(noun, age, future, infinity, perpetuity)
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infinitude(noun, age, future, infinity, perpetuity)
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infinity(noun, age, future, perpetuity, forever)
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invariable(adjective, stable, constant, enduring, lasting)
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kingdom come(noun, expression, age, future, infinity)
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lasting(adjective, stable, constant, vast, enduring)
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late(adjective, slow, boring, tedious, rambling)
1
limitless(adjective, slow, boring, tedious, late)
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lingering(adjective, slow, boring, tedious, late)
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APASmart Define. (2011). forever and a day thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/forever_and_a_day/thesaurus/synonyms
ChicagoSmart Define. 2011. "forever and a day thesaurus" https://smartdefine.org/forever_and_a_day/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2011, forever and a day thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/forever_and_a_day/thesaurus/synonyms>.
MLASmart Define. "forever and a day thesaurus" 24 May 2011. Web. 29 September 2026. <https://smartdefine.org/forever_and_a_day/thesaurus/synonyms>