Synonyms|47Antonyms|0|Broader|0Narrower|0Related|1

15 entries under adjective topic. ×

2
unsubstantiated(untrue, illogical, deceptive, unsupported)
2
vain(false, untrue, illogical, deceptive)
1
fabricated(false, untrue, illogical, deceptive)
1
fallacious(false, unreasonable, unsound, untrue)
1
mendacious(false, untrue, illogical, deceptive)
1
misleading(false, untrue, illogical, deceptive)
1
spurious(false, unreasonable, unsound, untrue)
1
trumped up(expression, false, untrue, illogical)
1
unproven(false, untrue, illogical, deceptive)
1
unreal(false, untrue, illogical, deceptive)
1
untruthful(false, untrue, illogical, deceptive)
1
without foundation(expression, false, unreasonable, senseless)
0
deceptive(false, untrue, illogical, unsubstantiated)
0
illogical
0
untrue(false, illogical, deceptive, unsubstantiated)
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APASmart Define. (2015). without basis thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/without_basis/thesaurus/synonyms
ChicagoSmart Define. 2015. "without basis thesaurus" https://smartdefine.org/without_basis/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, without basis thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/without_basis/thesaurus/synonyms>.
MLASmart Define. "without basis thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/without_basis/thesaurus/synonyms>