23 entries under long-term topic. ×

7
eternal(adjective, permanent, durable, recurrent, perpetual)
6
durable(adjective, permanent, durable, recurrent, perpetual)
6
permanent(adjective, hardened, lasting, confirmed, perpetual)
6
perpetual(adjective, familiar, established, permanent, durable)
4
endless(permanent, diuturnity)
4
everlasting(adjective, permanent, durable, recurrent, perpetual)
3
incessant(adjective, permanent, durable, recurrent, perpetual)
2
indissoluble(adjective, permanent)
2
undying(adjective, permanent, recurrent, perpetual)
1
forever
1
in for the long haul(expression, idiom, permanent)
1
indelible
1
inexhaustible
1
inexpungible
1
longstanding(adjective, permanent, recurrent, perpetual)
1
ongoing(adjective, permanent)
1
perdurable(permanent, recurrent, perpetual, returning)
1
stable(adjective, permanent)
1
till the cows come home(expression, idiom, permanent)
1
unceasing(permanent, recurrent, perpetual, returning)
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APASmart Define. (2015). lifelong thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lifelong/thesaurus/synonyms
ChicagoSmart Define. 2015. "lifelong thesaurus" https://smartdefine.org/lifelong/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, lifelong thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lifelong/thesaurus/synonyms>.
MLASmart Define. "lifelong thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/lifelong/thesaurus/synonyms>