1
set
1
settled
1
stable(adjective, enduring, lasting, permanent, perpetual)
1
standing
1
staying
1
sticking
1
straight(adjective, continuous)
1
till the cows come home(expression, idiom, permanent, long-term, lifelong)
1
un-intermittent(adjective, continuous)
1
unbounded(constant, abundant, unrestrained, endless, immense)
1
unconditional
1
undampable
1
undestroyable
1
undeviating(adjective, continuous)
1
undiminished
1
undivided(constant, abundant, unrestrained, endless, immense)
1
unfailing
1
unfathomable(constant, abundant, unrestrained, endless, immense)
1
uniform(adjective, continuous)
1
unqualified
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APASmart Define. (2016). undying thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undying/thesaurus/synonyms
ChicagoSmart Define. 2016. "undying thesaurus" https://smartdefine.org/undying/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, undying thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undying/thesaurus/synonyms>.
MLASmart Define. "undying thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/undying/thesaurus/synonyms>