35 entries under lifelong topic. ×

7
lasting(adjective, vast, permanent, diurnal)
6
enduring(adjective, lasting, permanent)
6
permanent(adjective, vast, lasting, diurnal)
5
durable(adjective, lasting, permanent)
5
eternal(adjective, vast, permanent, diurnal)
5
everlasting(adjective, vast, permanent, diurnal)
4
continuing(adjective, lasting, permanent)
4
perpetual(adjective, permanent)
4
undying(adjective, permanent)
2
abiding(lasting, permanent)
2
constant
2
deep-rooted(adjective, permanent)
2
endless(adjective, permanent)
2
fixed(adjective, permanent)
2
indissoluble(adjective, permanent)
2
long-lasting
2
perdurable
2
perennial
2
persisting
2
stable(lasting, permanent)
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APASmart Define. (2016). long-term thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/long-term/thesaurus/synonyms
ChicagoSmart Define. 2016. "long-term thesaurus" https://smartdefine.org/long-term/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, long-term thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/long-term/thesaurus/synonyms>.
MLASmart Define. "long-term thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/long-term/thesaurus/synonyms>