Synonyms|580Antonyms|180|Broader|11Narrower|8Related|1.9k

56 entries under illogical topic. ×

4
untruthful(adjective, wrong, fake, false, counterfeit)
3
absurd(adjective, foolish, unreasonable, absurd, irrational)
3
crazy(adjective, foolish, unreasonable, absurd)
3
nonsensical(adjective, foolish, unreasonable, absurd, irrational)
3
preposterous(adjective, foolish, unreasonable, absurd, irrational)
3
ridiculous(adjective, foolish, unreasonable, absurd)
3
silly(adjective, foolish, unreasonable, absurd, irrational)
3
stupid(adjective, foolish, unreasonable, absurd, irrational)
2
fabricated(adjective, fake, false, counterfeit, sham)
2
unreasoning(foolish, unreasonable, irrational, arbitrary)
2
unsubstantiated(adjective, false, untrue, inaccurate)
2
unwise(adjective, foolish, unreasonable)
1
baseless(adjective, poor, foolish, unreasonable, worthless)
1
nutty(foolish, unreasonable, irrational, unreasoned)
1
trumped up(expression, adjective, wrong, fake, counterfeit)
1
unproven(adjective, false, untrue, deceptive)
1
vain(adjective, false, hollow, incorrect, untrue)
1
wacky(foolish, unreasonable, irrational, unreasoned)
1
without basis(expression, adjective, false, unreasonable, untrue)
1
without foundation(expression, adjective, false, unreasonable, untrue)
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ChicagoSmart Define. 2015. "fallacious thesaurus" https://smartdefine.org/fallacious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fallacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fallacious/thesaurus/synonyms>.
MLASmart Define. "fallacious thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fallacious/thesaurus/synonyms>