7
eternal(adjective, change, continue)
6
ageless(adjective, change)
5
ceaseless(adjective, continue)
5
endless(adjective, continue)
5
everlasting(adjective, continue)
5
perpetual(adjective, continue)
5
unending(adjective, continue)
4
dateless(adjective, change)
4
never-ending(adjective, continue)
4
timeless(adjective, change)
3
amaranthine(adjective, continue)
3
immortal(adjective, continue)
2
constant
2
continual
2
incessant
2
infinite
2
interminable
2
permanent
2
unceasing
1
coeternal
<12>
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APASmart Define. (2015). eterne thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/eterne/thesaurus/synonyms
ChicagoSmart Define. 2015. "eterne thesaurus" https://smartdefine.org/eterne/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, eterne thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/eterne/thesaurus/synonyms>.
MLASmart Define. "eterne thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/eterne/thesaurus/synonyms>