Synonyms|155Antonyms|100|Broader|0Narrower|0Related|1.3k

66 entries under adjective topic. ×

3
unbacked
3
uncertain(questionable, unsubstantiated, unconfirmed, uncorroborated)
3
unjustifiable
3
unsupportable
3
unverified(unsubstantiated, unconfirmed, uncorroborated)
3
wobbly
2
chimerical(false, unwarranted, justification, baseless)
2
empty
2
ill-founded
2
imaginary(false, unwarranted, justification, baseless)
2
indecisive(unsettled, unclear, questionable)
2
tenuous
2
undependable(unsettled, unclear, questionable)
2
unreasonable
2
unreliable(unsettled, unclear, questionable)
2
without foundation
1
foundationless(false, unwarranted, untrue, justification)
1
hypothetical
1
illusory(false, unwarranted, justification, baseless)
1
questionable
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APASmart Define. (2015). unsupported thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsupported/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsupported thesaurus" https://smartdefine.org/unsupported/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unsupported thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsupported/thesaurus/synonyms>.
MLASmart Define. "unsupported thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unsupported/thesaurus/synonyms>