Synonyms|81Antonyms|2|Broader|3Narrower|2Related|13
13
eternity(noun, infinity, forever)
8
infinity(noun, age, future, infinity, perpetuity)
7
endlessness(noun, age, future, infinity, perpetuity)
7
perpetuity(noun, age, endurance, future, infinity)
5
everlastingness(noun, age, future, infinity, perpetuity)
4
timeless existence(noun, expression, idiom)
3
ceaselessness(noun, infinity)
3
constancy
3
interminability(noun, infinity)
2
boundlessness(noun, infinity)
2
deathlessness
2
forever(age, future, infinity, perpetuity, eternity)
2
immeasurability(noun, infinity)
2
immutability
2
infinitude(noun, age, future, infinity, perpetuity)
2
permanence
2
sempiternity(noun, eternity)
2
stability
1
aeon(age, future, infinity, perpetuity, forever)
1
afterlife(age, future, infinity, perpetuity, forever)
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APASmart Define. (2015). timelessness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/timelessness/thesaurus/synonyms
ChicagoSmart Define. 2015. "timelessness thesaurus" https://smartdefine.org/timelessness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, timelessness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/timelessness/thesaurus/synonyms>.
MLASmart Define. "timelessness thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/timelessness/thesaurus/synonyms>