32 entries under lifelong topic. ×

3
old(adjective, permanent, recurrent, perpetual, long-term)
2
lasting(adjective, vast, permanent, recurrent, perpetual)
1
abiding(permanent, recurrent, perpetual, long-term)
1
constant(permanent, recurrent, perpetual, long-term)
1
continual(permanent, recurrent, perpetual, long-term)
1
deep-rooted(adjective, permanent, innate, inherent, long-term)
1
durable(permanent, recurrent, perpetual, long-term)
1
endless(permanent, long-term)
1
enduring(permanent, recurrent, perpetual, long-term)
1
eternal(vast, permanent, recurrent, perpetual, long-term)
1
everlasting(vast, permanent, recurrent, perpetual, long-term)
1
forever(vast, permanent, long-term, diurnal)
1
in for the long haul(expression, idiom, vast, permanent, long-term)
1
incessant(permanent, recurrent, perpetual, long-term)
1
indelible(permanent, long-term)
1
indissoluble(permanent, long-term)
1
inexhaustible(permanent, long-term)
1
inexpungible(vast, permanent, long-term, diurnal)
1
long-lasting(permanent, recurrent, perpetual, long-term)
1
long-term(vast, permanent, diurnal, ceaselessly)
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APASmart Define. (2013). longstanding thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/longstanding/thesaurus/synonyms
ChicagoSmart Define. 2013. "longstanding thesaurus" https://smartdefine.org/longstanding/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, longstanding thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/longstanding/thesaurus/synonyms>.
MLASmart Define. "longstanding thesaurus" 27 June 2013. Web. 28 September 2026. <https://smartdefine.org/longstanding/thesaurus/synonyms>