3
constant(adjective, steady, stable, tight, four-square)
3
continual(adjective, steady, stable, tight, four-square)
3
continuing(adjective, steady, stable, tight, four-square)
3
continuous(adjective, steady, stable, tight, four-square)
3
cool(adjective, steady, stable, tight, four-square)
3
defendable(adjective, steady, stable, tight, four-square)
3
demonstrable(adjective, steady, stable, tight, four-square)
3
demonstratable(adjective, steady, stable, tight, four-square)
3
documentable(adjective, steady, stable, tight, four-square)
3
empirical(adjective, steady, stable, tight, four-square)
3
endless(adjective, steady, stable, tight, four-square)
3
endurable(adjective, steady, stable, tight, four-square)
3
establishable(adjective, steady, stable, tight, four-square)
3
evincible(adjective, steady, stable, tight, four-square)
3
exceptionable(adjective, steady, stable, tight, four-square)
3
explainable(adjective, steady, stable, tight, four-square)
3
explicable(adjective, steady, stable, tight, four-square)
3
fair(adjective, steady, stable, tight, four-square)
3
forever(adjective, steady, stable, tight, four-square)
3
good(noun, steady, steadfast, stabilization)
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APASmart Define. (2016). sustainable thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sustainable/thesaurus/related
ChicagoSmart Define. 2016. "sustainable thesaurus" https://smartdefine.org/sustainable/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 2016, sustainable thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sustainable/thesaurus/related>.
MLASmart Define. "sustainable thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/sustainable/thesaurus/related>