60 entries under foolish topic. ×

1
imprudent(stupid, fantastic, absurd, giddy)
1
loony(strange, silly, stupid, unreasonable)
1
simple(adjective, silly, stupid, insignificant)
1
unbalanced(adjective, false, strange, crazy)
1
unsafe(false, unstable, fantastic, ill)
1
unstable(adjective, wrong, false, stupid)
0
bananas
0
cockamamie
0
delirious
0
distracted
0
distraught
0
frantic
0
frenetic
0
injudicious(unreasonable, chance, uninformed, random)
0
kooky
0
non compos mentis(expression, idiom, fantastic)
0
of unsound mind(expression, idiom, fantastic)
0
off-the-wall
0
raving
-1
unreasoning(unreasonable, irrational, arbitrary, perverse)
<123>
11 years ago|20k views|share |citing 
APASmart Define. (2015). illogical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/illogical/thesaurus/synonyms
ChicagoSmart Define. 2015. "illogical thesaurus" https://smartdefine.org/illogical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, illogical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/illogical/thesaurus/synonyms>.
MLASmart Define. "illogical thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/illogical/thesaurus/synonyms>