25 entries under foolish topic. ×

3
incongruous(adjective, stupid, senseless, irrational)
2
arbitrary(unusual, careless, stupid, unstable)
2
inconsistent(adjective, stupid, senseless, irrational)
2
mad(adjective, stupid, senseless, irrational)
0
absurd(stupid, senseless, irrational, arbitrary)
0
all wet(expression, stupid, senseless, irrational)
0
biased(stupid, senseless, irrational, arbitrary)
0
contradictory(stupid, senseless, irrational, arbitrary)
0
far-fetched(stupid, senseless, irrational, arbitrary)
0
full of hot air(expression, idiom, stupid, senseless)
0
headstrong(stupid, senseless, irrational, arbitrary)
0
incoherent(stupid, senseless, irrational, arbitrary)
0
inconsequential(stupid, senseless, irrational, arbitrary)
0
irrational(stupid, senseless, arbitrary, perverse)
0
loose(stupid, senseless, irrational, arbitrary)
0
nonsensical(stupid, senseless, irrational, arbitrary)
0
opinionated(stupid, senseless, irrational, arbitrary)
0
preposterous(stupid, senseless, irrational, arbitrary)
0
reasonless(stupid, senseless, irrational, arbitrary)
0
senseless(stupid, irrational, arbitrary, perverse)
<12>
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APASmart Define. (2015). quirky thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/quirky/thesaurus/synonyms
ChicagoSmart Define. 2015. "quirky thesaurus" https://smartdefine.org/quirky/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, quirky thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/quirky/thesaurus/synonyms>.
MLASmart Define. "quirky thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/quirky/thesaurus/synonyms>