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inconsistent
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invalid
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irrational
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preposterous
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specious
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unreasonable
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unsound
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untenable
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APASmart Define. (2015). illogical thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/illogical/thesaurus/narrower
ChicagoSmart Define. 2015. "illogical thesaurus" https://smartdefine.org/illogical/thesaurus/narrower (accessed September 21, 2026).
HarvardSmart Define 2015, illogical thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/illogical/thesaurus/narrower>.
MLASmart Define. "illogical thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/illogical/thesaurus/narrower>