9 entries under vast topic. ×

7
lasting(adjective, permanent, lifelong, diurnal)
6
permanent(adjective, lasting, lifelong, diurnal)
5
eternal(adjective, permanent, lifelong, diurnal)
5
everlasting(adjective, permanent, lifelong, diurnal)
1
forever(permanent, lifelong, diurnal, ceaselessly)
1
in for the long haul(expression, idiom, permanent, lifelong)
1
inexpungible(permanent, lifelong, diurnal, ceaselessly)
1
longstanding(permanent, lifelong, diurnal, ceaselessly)
1
till the cows come home(expression, idiom, permanent, lifelong)
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APASmart Define. (2016). long-term thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/long-term/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-term thesaurus" https://smartdefine.org/long-term/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, long-term thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/long-term/thesaurus/synonyms>.
MLASmart Define. "long-term thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/long-term/thesaurus/synonyms>