Synonyms|150Antonyms|47|Broader|0Narrower|0Related|621
2
endless(adjective, permanent, lifelong)
2
fixed(adjective, permanent, lifelong)
2
indissoluble(adjective, permanent, lifelong)
2
long-lasting(permanent, lifelong)
2
long-standing
2
perdurable(permanent, lifelong)
2
perennial(permanent, lifelong)
2
persistent
2
persisting(permanent, lifelong)
2
perspective(adjective, feature, state, characteristic, advance)
2
stable(lasting, permanent, lifelong)
2
unending(adjective, permanent, lifelong)
1
advanced(adjective, advance, view, success, perhaps)
1
advantageous(adjective, advance, view, success, perhaps)
1
age-long
1
ageless
1
ancient
1
antique
1
available(adjective, advance, view, success, perhaps)
1
budding(adjective, advance, view, success, perhaps)
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APASmart Define. (2016). long-term thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/long-term/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-term thesaurus" https://smartdefine.org/long-term/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, long-term thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/long-term/thesaurus/synonyms>.
MLASmart Define. "long-term thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/long-term/thesaurus/synonyms>