15 entries under untrue topic. ×

6
unproven(adjective, risky, illogical, theoretical)
4
unverified(adjective, inaccurate, unconfirmed, uncorroborated)
2
fallacious(adjective, false, illogical, inaccurate)
2
without basis(expression, adjective, illogical, deceptive)
1
spurious(adjective, illogical, inaccurate, deceptive)
1
vain(adjective, illogical, deceptive, unsupported)
1
without foundation(expression, adjective, illogical, deceptive)
0
deceptive(adjective, illogical, unsupported, groundless)
0
fabricated(adjective, illogical, deceptive, unsupported)
0
mendacious(adjective, illogical, deceptive, unsupported)
0
misleading(adjective, illogical, deceptive, unsupported)
0
trumped up(expression, adjective, illogical, deceptive)
0
uncalled for(expression, deceptive)
0
unreal(adjective, illogical, deceptive, unsupported)
0
untruthful(adjective, illogical, deceptive, unsupported)
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APASmart Define. (2016). unsubstantiated thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unsubstantiated/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantiated thesaurus" https://smartdefine.org/unsubstantiated/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unsubstantiated thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unsubstantiated/thesaurus/synonyms>.
MLASmart Define. "unsubstantiated thesaurus" 3 February 2016. Web. 30 September 2026. <https://smartdefine.org/unsubstantiated/thesaurus/synonyms>