2
connected(adjective, steady, regular, persistent, constant)
2
consecutive(adjective, continuous)
2
consistent(adjective, fixed, persistent, continuous, endless)
2
cursed
2
damn
2
damned
2
darned
2
deep-rooted(adjective, permanent, long-term, lifelong)
2
deuced
2
dull(endless, incessant, ceaseless)
2
everliving
2
fadeless
2
fast
2
hard and fast
2
homogeneous(adjective, persistent, continuous, endless, relentless)
2
inextinguishable
2
innumerable(adjective, infinite)
2
irrevocable
2
lifetime(adjective, durable)
2
livelong(adjective, durable)
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APASmart Define. (2016). everlasting thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/everlasting/thesaurus/synonyms
ChicagoSmart Define. 2016. "everlasting thesaurus" https://smartdefine.org/everlasting/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, everlasting thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/everlasting/thesaurus/synonyms>.
MLASmart Define. "everlasting thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/everlasting/thesaurus/synonyms>