2
unwarranted(adjective, reasoning)
1
absurd
1
arbitrary(adjective, chance, whimsical)
1
contradictory
1
contrary to reason(expression, idiom)
1
defective
1
exorbitant
1
extravagant
1
fallible
1
faulty
1
flawed
1
foolish
1
ignorant
1
immoderate
1
impulsive(adjective, unsystematic)
1
inauthentic
1
incongruous
1
paralogical
1
preposterous
1
reasonless
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APASmart Define. (2015). unscientific thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unscientific/thesaurus/synonyms
ChicagoSmart Define. 2015. "unscientific thesaurus" https://smartdefine.org/unscientific/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unscientific thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unscientific/thesaurus/synonyms>.
MLASmart Define. "unscientific thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unscientific/thesaurus/synonyms>