84 entries under adjective topic. ×

3
possible
3
practicable
3
property
3
provable
3
stable
3
steady
3
substantiatable
3
sufferable
3
supportable
3
sustainable
3
sustainably
3
tenable
3
unbroken
3
unfailing
3
unobjectionable
3
verifiable
3
viable
3
vintage(ancient, older, elderly, long-lived)
3
workable
2
ageless
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APASmart Define. (2016). permanent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/permanent/thesaurus/related
ChicagoSmart Define. 2016. "permanent thesaurus" https://smartdefine.org/permanent/thesaurus/related (accessed September 23, 2026).
HarvardSmart Define 2016, permanent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/permanent/thesaurus/related>.
MLASmart Define. "permanent thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/permanent/thesaurus/related>