Synonyms|155Antonyms|100|Broader|0Narrower|0Related|1.3k
3
unattested(adjective, evidence)
3
unbacked
3
uncertain(adjective, questionable, unsubstantiated, unconfirmed, uncorroborated)
3
unjustifiable
3
unsupportable
3
untenable
3
unverified(adjective, unsubstantiated, unconfirmed, uncorroborated)
3
wobbly
2
alone
2
aloof
2
chimerical(adjective, false, unwarranted, justification, baseless)
2
empty
2
ill-founded
2
imaginary(adjective, false, unwarranted, justification, baseless)
2
indecisive(adjective, unsettled, unclear, questionable)
2
lone
2
not proved(expression, idiom)
2
solo
2
tenuous
2
unauthenticated
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APASmart Define. (2015). unsupported thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsupported/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsupported thesaurus" https://smartdefine.org/unsupported/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unsupported thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsupported/thesaurus/synonyms>.
MLASmart Define. "unsupported thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unsupported/thesaurus/synonyms>