44 entries under adjective topic. ×

2
verifiable(continuous, unbroken, incessant, provable)
2
evincible(respectable, bearable, maintainable)
2
worthwhile(respectable, bearable, maintainable)
2
enduring(strong, hard, firm, steady)
2
persistent(firm, steady, stable, fixed)
1
rational(respectable, bearable, conceivable, tenable)
1
empirical(unbroken, verifiable, provable)
1
stabile(firm, steady, stable, fixed)
1
staunch(strong, hard, stable, stability)
1
sturdy(strong, hard, stable, stability)
1
sustained(firm, steady, stable, fixed)
1
unfluctuating(firm, steady, stable, fixed)
1
balanced(balance, steady, poised)
1
conservational(state, characteristic, position)
1
endurant(firm, steady, stable, fixed)
1
environment-oriented(healthy, ecology, eco)
1
everlasting(strong, hard, stable, stability)
1
inexhaustible(state, characteristic, situation)
1
resistant(strong, hard, stable, stability)
1
robust(strong, hard, stable, stability)
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APASmart Define. (2016). sustainable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sustainable/thesaurus/synonyms
ChicagoSmart Define. 2016. "sustainable thesaurus" https://smartdefine.org/sustainable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, sustainable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sustainable/thesaurus/synonyms>.
MLASmart Define. "sustainable thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/sustainable/thesaurus/synonyms>