44 entries under foolish topic. ×

10
specious(adjective, correct, true, unreasonable)
8
invalid(adjective, correct, true, unreasonable)
7
illogical(adjective, correct, sense, true)
7
irrational(adjective, mad, unreasonable, senseless)
7
unsound(adjective, correct, true, unreasonable)
5
mad(adjective, unreasonable, irrational, worthless)
5
unreasonable(adjective, mad, irrational, worthless)
4
groundless(adjective, unreasonable, irrational, illogical)
4
reasonless(adjective, mad, unreasonable, irrational)
3
baseless(adjective, unreasonable, worthless, unacceptable)
3
unfounded(adjective, unreasonable, irrational, illogical)
2
wrong(adjective, unreasonable, worthless, unacceptable)
1
absurd(unreasonable, irrational, illogical, unreasoned)
1
nutty(unreasonable, irrational, illogical, unreasoned)
1
preposterous(unreasonable, irrational, illogical, unreasoned)
1
senseless(unreasonable, irrational, illogical, unreasoned)
1
wacky(unreasonable, irrational, illogical, unreasoned)
0
aberrant(unreasonable, illogical)
0
brainless(unreasonable, illogical)
0
cockamamie(unreasonable, illogical)
<123>
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APASmart Define. (2015). sophistic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sophistic/thesaurus/synonyms
ChicagoSmart Define. 2015. "sophistic thesaurus" https://smartdefine.org/sophistic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sophistic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sophistic/thesaurus/synonyms>.
MLASmart Define. "sophistic thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sophistic/thesaurus/synonyms>