Synonyms|92Antonyms|119|Broader|45Narrower|34Related|248

73 entries under adjective topic. ×

3
weak(support, quality, weakness)
3
baseless(support, quality, weakness)
3
illogical(support, quality, weakness, defended)
3
unreasonable(support, quality, weakness, defended)
3
unsustained(support, quality, weakness)
3
refutable(support, quality, weakness, true)
3
undemonstratable(support, quality, weakness)
3
unsupportable(support, quality, weakness, true)
3
unwarranted(support, quality, weakness)
3
debatable(support, quality, weakness, true)
3
disprovable(support, quality, weakness, true)
3
disputable(support, quality, weakness, true)
3
indemonstrable(support, quality, weakness, true)
3
inexplicable(support, quality, weakness, defended)
3
unacceptable(quality, weakness, defended, verbal attack)
3
unexplainable(quality, weakness, defended, verbal attack)
3
unsubstantiatable(quality, weakness, nonacceptance)
2
irrational(characteristic, weakness, proof, defended)
2
unsupported(support, quality, weakness)
2
vain(support, quality, weakness)
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APASmart Define. (2015). unsustainable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsustainable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsustainable thesaurus" https://smartdefine.org/unsustainable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unsustainable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsustainable/thesaurus/synonyms>.
MLASmart Define. "unsustainable thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unsustainable/thesaurus/synonyms>