Synonyms|174Antonyms|63|Broader|1Narrower|0Related|626
4
unending
3
constant(adjective, familiar, persistent, continuous, established)
3
endless
3
evergreen
3
long
3
long-term
3
persisting(adjective, persistent, continuous, hardened, lasting)
3
timeless
3
undying
2
ceaseless(adjective, persistent, continuous, lasting, continuing)
2
confirmed(adjective, persistent, continuous, hardened, lasting)
2
deep-rooted(adjective, persistent, continuous, hardened, lasting)
2
deep-seated(adjective, persistent, continuous, hardened, lasting)
2
fixed(adjective, persistent, continuous, hardened, lasting)
2
immutable
2
lingering(adjective, persistent, lasting, remaining)
2
of long standing(expression, idiom, familiar, established, long-established)
2
remaining(persistent, lasting)
2
rooted(adjective, persistent, continuous, lasting, continuing)
2
settled(adjective, persistent, continuous, hardened, lasting)
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APASmart Define. (2016). long-lived thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/long-lived/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-lived thesaurus" https://smartdefine.org/long-lived/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, long-lived thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/long-lived/thesaurus/synonyms>.
MLASmart Define. "long-lived thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/long-lived/thesaurus/synonyms>